where is the oxygen we breathe in produced from? from water in respiration reactions from water used in the photolysis reaction from the krebs cycle in mitochondria from chlorophyll

Answers

Answer 1

The reactions that occur when water is used in photolysis to create oxygen, which humans breathe, occur.

In photosynthesis, what function does photolysis serve?

Chlorophyll, a particular type of photosynthetic pigment, absorbs light during this phase of photosynthesis and transforms it into chemical energy in the granum of either a chloroplast. Oxygen & hydrogen molecules are broken apart by this reaction with water (H2O).

The term "photolysis of water" means what?

Proton, electron, & oxygen are produced when water molecules split in the presence of light. Thylakoid sac lumen is where it is found. After reducing NADP with protons, photosystem II receives electrons.

To know more about Photolysis visit:

https://brainly.com/question/30194744

#SPJ4


Related Questions

which practice lead to the greatest genetic diversity and which practives lead to the least genetic diversity

Answers

Giving equal opportunities to every organism for growth and participation practice lead to the greatest genetic diversity and reducing the number of chances which can help the organism grow practices lead to the least genetic diversity.

Contrasted with genetic variability, which is the possibility of inherited features changing, it is different. Genetic diversity allows populations to adapt to changing environmental conditions. There is a higher likelihood that some members of a group will have allele variants that are environment-appropriate as population variation rises. They have a higher likelihood of surviving long enough to pass that allele on to their offspring. The accomplishments of these people will increase population longevity.

To learn more about genetic diversity click on the given link: brainly.com/question/14696671

#SPJ4

what mechanisms allow us to utilize the energy in the food we eat?

Answers

The process through which food energy is transformed into energy that the body's cells can utilise is known as cellular respiration.

Through a sequence of chemical processes called cellular respiration, glucose is broken down to create ATP, which can then be used as energy for a variety of bodily functions. Glycolysis, the citric acid cycle, and oxidative phosphorylation are the three primary phases of cellular respiration. The citric acid cycle happens in the mitochondrial matrix, oxidative phosphorylation takes place on the inner mitochondrial membrane, and glycolysis happens in the cytoplasm. Glucose, ATP, and NAD+ are the initial reactants and ATP and water are the end products of cellular respiration. Phosphofructokinase-1, pyruvate dehydrogenase, and isocitrate dehydrogenase are the enzymes that control the rate of cellular respiration.

learn more about cellular respiration here

https://brainly.com/question/29760658

#SPJ4

n Drosophila melanogaster the allele for wild-type tan body color (B) is dominant to the recessive allele for black body color (b). Similarly, the allele for wild-type wing shape (V) is dominant to the recessive allele for vestigial wings phenotype (v). In the cross diagrammed above, the expected and observed results are shown. Which of the following best explains the observed results of the cross.
Expected BbVv-- 862, bbvv-- 862, Bbvv-- 862, bbVv--862
Observed BbVv-- 1447, bbvv-- 1416, Bbvv-- 309, bbVv-- 277

Answers

The observed results of the cross in Drosophila melanogaster show deviation from the expected results, indicating that epistasis is occurring.

Epistasis is a phenomenon where the expression of one gene affects the expression of another gene. In this case, the interaction between the B and V genes is affecting the expression of their respective traits.

Specifically, it appears that the V gene is epistatic to the B gene, meaning that the presence of the dominant V allele is masking the expression of the recessive b allele in the Bbvv genotype.

This can be seen in the observed numbers, where the Bbvv genotype is less than expected, indicating that the presence of the dominant V allele is leading to a higher expression of the wild-type wing shape.

To learn more about the Drosophila melanogaster at

https://brainly.com/question/28390240?referrer=searchResults

#SPJ4

Develop a document that reflects the diversity of resource conservation in Tennessee compared to any other area in the country.

Answers

The document that reflects the diversity of resource conservation in Tennessee compared to any other area in the country is Works Progress Administration.

What is Work Progress Administration?

The Work Progress Administration which has been also known as the WPA, which was one of the most famous government agencies that has been operating in the period just after the great depression.

The focus of the WPA was the main national artistic production and it has been just through it that has several musicians, writers, painters, actors, disegners, art directors, among other artists were financed, increasing artistic production in the country.

Therefore, The document that reflects the diversity of resource conservation in Tennessee compared to any other area in the country is Works Progress Administration.

Learn more about diversity on:

https://brainly.com/question/7063191

#SPJ1

Which order is classified by their long, broad wings for soaring?

Answers

Answer:

Accipitriformes.

Explanation:

The order of birds classified by their long, broad wings for soaring is Accipitriformes.

Predatory birds in this order include eagles, hawks, falcons, and kites. They are extremely effective hunters thanks to their large, wide wings, which enable them to glide over great distances and fly on thermal currents.

what specific component of the kidney does the dialysis tubing represent? what is the function of this component?

Answers

The ureters, which are two small tubes in the body, are the specific anatomical portion that the dialysis tubing symbolizes. The ureters' job is to assist in moving urine from the kidneys to the bladder.

What occurs to a dialysis patient?

Hemodialysis involves removing blood from your body, cleaning it in a dialyzer, and reintroducing it to your body. This three to five-hour procedure could happen in a hospital or a dialysis facility.

Is having dialysis painful?

Dialysis is uncomfortable: When the needles are inserted into your fistula or graft while you are receiving hemodialysis, you can experience some discomfort, but the majority of patients typically have no other issues. Dialysis itself causes little discomfort.

To know more about Dailysis visit:

https://brainly.com/question/29526384

#SPJ4

An article in the local paper is discussing a new copper mine in new mexico. it states that all that is needed to identify a substance is the mass and volume of a sample. is this an accurate statement? why or why not?
a- yes, because mass and volume are unique properties of a substance.
b- yes, because mass and volume allows for finding density, which is a unique property of a substance.
c- no, because although mass is a unique property of a substance, volume is not.
d-no, because only density is a unique physical property of a substance and mass and volume are not enough to find it.

Answers

This is not an accurate statement because only density is a unique physical property of a substance and mass and volume are not enough to find it.

What is density?

The density of a material is its mass per unit volume. The most common sign for density is, however the Latin letter D can also be used. Density is defined mathematically as mass divided by volume. The density of a substance is the measure of how densely it is packed together. It is expressed as mass per unit volume. Symbol for density: D or Formula for Density: = m/V, where is the density, m is the object's mass, and V is the object's volume. The density of something describes how compact or dense it is. Let's say you have two boxes, one huge and one tiny. They both, however, weigh the same. That suggests the small box is denser than the large box.

Here,

This is not an accurate statement since density is a unique physical feature of a substance that cannot be found using mass or volume.

To know more about density,

brainly.com/question/2142657

#SPJ4

A given mass of gas occupied 150 cm cube at 27 degrees C and pressure of 1.013x10^5 Newton per metre square. calculate the temperature at which it volume doubled at the same pressure​

Answers

A given mass of gas occupied 150 cm cube at 27 degrees C and pressure of 1.013 x 10⁵ Newton per meter square, the temperature at which it volume doubled at the same pressure​ is: 600 K

What is Charles's Law?

As according to Charles' law, the volume of such an ideal gas at constant pressure is exactly proportional to the absolute temperature. In accordance with the law, when the pressure on a sample of a dry gas is maintained constant, the Kelvin temperature and volume will be directly proportional. A hot air balloon flying through the air is an example of how Charles Law is used in everyday life. A flame warms the air within the balloon, causing the air molecules to move more quickly and scatter. Because the air inside the balloon is less dense than the outside air, the balloon floats as just a result.

Given that,

initial volume (V₁) = 150 cm³

final volume (V₂) = 300 cm³

initial temperature (T₁) = 27⁰C = (273 + 27) K = 300 K

final temperature (T₂) = ?

As we know from Charles's law:

V₁/T₁ = V₂/T₂

or, 150 / 300 = 300 / T₂

or, T₂ = 600 K

To know more about volume refer to:

https://brainly.com/question/27100414

#SPJ1

what is the significance of the s phase in the cell cycle?

Answers

The significance of the s phase in the cell cycle is during the S phase the DNA of the cell will replicates.

The S phase of the cell cycle will occurs before the interphase and it is involved in DNA synthesis or replication. In this way, the genetic material of the cell will replicated before entering mitosis or meiosis, leaving enough DNA to divide into the daughter cells.

S phase is not initiated until the cell passes through the G1 phase. The most important event which occurs in the S phase is DNA replication. The goal of this process is to produce twice the amount of DNA which forms the basis of the daughter cell's chromosomal set.

DNA replication begins when the regulated pre-replication complex will attaches to the DNA in the G1 phase. In addition to DNA replication, the cell proliferation continues during the S phase, producing the proteins and enzymes will required for DNA synthesis.

To know more about S phase here

https://brainly.com/question/210041

#SPJ4

A woman who sought genetic counseling is found to be heterozygous for a chromosomal rearrangement between the second and third chromosomes. Her chromosomes, compared to those in a normal karyotype, are diagrammed to the right.
(a) What kind of chromosomal aberration is shown?
(b) Using a drawing, demonstrate how these chromosomes would pair during meiosis. Be sure to label the different segments of the chromosomes.
(c) This woman is phenotypically normal. Does this surprise you? Why or why not? Under what circumstances might you expect a phenotypic effect of such a rearrangement?

Answers

The chromosomal aberration shown in the diagram is a translocation. A translocation is a type of chromosomal rearrangement in which a piece of one chromosome breaks off and attaches to another chromosome. In this case, it appears that a segment of chromosome 2 has broken off and attached to chromosome 3.

During meiosis, these chromosomes would pair as follows [Diagram of chromosomes pairing during meiosis showing a normal chromosome 2 and a normal chromosome 3, along with a translocated chromosome 2 and a translocated chromosome 3.

The normal chromosomes show the segments labeled 2A, 2B, 3A, and 3B, while the translocated chromosomes show the segments labeled 2A, 2B, 3C, and 3D. The chromosomes pair as normal chromosome 2 with translocated chromosome 2 and normal chromosome 3 with translocated chromosome 3.]

It is not surprising that the woman is phenotypically normal, even though she is heterozygous for a translocation. Many translocations are balanced, meaning that the total amount of genetic material is the same as in a normal karyotype, and therefore does not result in any observable effects.

However, it is possible that this translocation might cause issues if it disrupts a gene that is important for growth or development, or if it causes an abnormal amount of genetic material to be present in certain cells which can lead to different chromosomal disorders.

To learn more about chromosomal aberration

https://brainly.com/question/29763276

#SPJ4

The pedigree of a family with a history of a particular genetic disease is shown. Squares represent males and circles represent females. Shaded symbols represent those who have the disease.If Individual 2 were to marry a woman with no family history of the disease, which of the following would most likely be true of their children?answer choicesAll of the children would have the disease.None of the children would have the diseaseOnly the sons would have the diseaseAll of the sons would be carriers of the disease

Answers

If Individual 2 were to marry a woman with no family history of the disease then none of the children would have the disease.

When your genes are harmed by a mutation, you get a genetic condition. Carrying the mutation does not always imply that you will develop an illness. There are several sorts of illnesses, including single-gene, multifactorial, and chromosomal abnormalities. The majority of the DNA in our genes tells your body to produce proteins. These proteins initiate complicated cell connections that aid in your overall wellness.

Whenever a mutation arises, it changes the instructions for generating proteins in the genes. Proteins might be lacking. Or the ones you have don't work correctly. When you have a family history of the a genetic condition, you should explore genetic counselling to determine whether genetic testing is right for you. Typically, lab testing can reveal if you have the gene alterations that cause the illness. Carrying the mutation does not necessarily imply that you will develop it.

To know more about the Genetic disorder, here

https://brainly.com/question/1514954

#SPJ4

the gene for melanin (skin pigment) is transcribed similarly in humans and apes. where does the transcription of the melanin gene take place? responses only in the nucleus only in the nucleus in the nucleus and the ribosome in the nucleus and the ribosome in the ribosome in the ribosome in the nucleus and the cytoplasm

Answers

Transcription is typically carried out in the nucleus of eukaryotic cells/organisms.

Transcription is the process by which the genetic information contained by DNA is transcribed into another molecule, RNA.

Transcription occurs in the nucleus of eukaryotic cells because the DNA is located there. The encoded message (RNA) is subsequently transported to the cytoplasm and translated into protein.

Transcription is the process of copying a segment of DNA into RNA. Messenger RNA is produced by segments of DNA that are translated into RNA molecules that could also encode proteins. Other DNA segments are copied into RNA molecules called noncoding RNA. mRNA accounts for only 1-3% of total RNA samples.

For more information on Transcription , visit :

https://brainly.com/question/14136689

#SPJ4

a technologist performing an antibody identification in the blood bank has recorded the following results found in the worksheet below. which antibody(ies) are most likely the cause of the agglutination reactions?

Answers

IgG or IgM  antibodies are most likely the cause of the agglutination reactions.

In general, Agglutination  reaction occurs when an insoluble or particle antigen come in contact with an antibody. Thus , a  positive reaction occurs  and can be seen macroscopically in a short time. antigen-antibody complex may be seen with our eye if the complex size is large. Both IgG or IgM could be involved in the agglutination reaction.

Their  are two types of  agglutination active agglutination or the passive agglutination. In case of  active agglutination, the antigen occurs naturally on particle. on the other hand on passive agglutination, the antigen is bound to an inert particle to detect an antibody.

To learn more about Agglutination , here

brainly.com/question/13011942

#SPJ4

when an injury or invasion takes place, leukocytes are summoned to the affected area through a release of leukocyte-attracting chemicals in a process called what?

Answers

They achieve this by the diapedesis process, in which the leukocyte travels in an ameboid fashion through closely spaced endothelial borders (paracellular transmigration), and occasionally even through the endothelial cell itself (transcellular migration).

Endothelial cells send signals during TEM that draw and direct leukocytes to areas of tissue injury. Leukocytes respond by adhering to these locations and indicating that they are prepared to return to endothelial cells. Neutrophils are the body's first line of defense and make up 50% to 70% of circulating leukocytes. They participate in the phagocytic clearance of the bacteria and the initial inflammatory response to bacterial infection. They are also the cells that arrive at the location of an injury or illness in the greatest number.

To know more about Endothelial cells, click here:

https://brainly.com/question/13142593

#SPJ4

Prokaryotic and eukaryotic cells have many differences, but they also share some common features. Which of the following may be found in either type of cell?
answer choices
Golgi bodies
ribosomes
mitochondria
nuclei

Answers

Answer: Ribosomes

Explanation: Ribosomes are found in both eukaryotic and prokaryotic cells which help in the protein synthesis.
Golgi bodies and mitochondria are only found in eukaryotic cells.
Also, eukaryotic cells contain true nucleus whereas prokaryotic cells have nucleoid.

Where is epinephrine and norepinephrine released from?

Answers

The inner, more often known as the adrenal medulla, portion of the adrenal glands is where norepinephrine is made. Additionally, epinephrine, often known as adrenaline, is produced in the adrenal medulla.

A hormone and a neurotransmitter, epinephrine, often known as adrenaline, has two functions. It is a hormone that is produced and released by your adrenal glands, which are hat-shaped glands that are located on top of each kidney.

It functions as a chemical messenger and central nervous system neurotransmitter to help send nerve signals from one nerve cell, muscle cell, or gland cell to another.

Norepinephrine, also known as noradrenaline, is a chemical that is mostly released from the terminals of sympathetic nerve fibres and works to speed up and intensify heartbeats as well as the force and rate at which skeletal muscles contract.

To know more about adrenal glands, visit:

https://brainly.com/question/1406904

#SPJ4

According to the graph above, what is the relationship between Helper T Cells and HIV levels
in the body over the course of the infection? Provide an explanation for this trend.

Answers

The relationship between Helper T Cells and HIV levels in the body over the course of the infection is based on the fact that the rise in immune T cells may cause an increase in the amount of HIV viruses because HIV binds to the surface of T-cells in order to reproduce inside these cells.

What is the relationship between Helper T Cells and HIV levels?

The relationship between Helper T Cells and HIV levels is based on the fact this retrovirus binds to surface receptors in T cells in order to replicate during initial infection.

Therefore, with this data, we can see that the relationship between Helper T Cells and HIV levels leads to an increase of both (disease progression) in the first place and then HIV decrease.

Learn more about T Cells and HIV here:

https://brainly.com/question/4185907

#SPJ1

why would no ecosystem exist without energy conversion? the food chain would not be possible electronic devices need to convert energy photosynthesis would not operate transportation would be restricted

Answers

Energy conversion is essential for life on Earth, and without it, no ecosystem can exist. Energy conversion is necessary for the food chain to operate, for photosynthesis to occur, and for transportation of energy, resources, and living organisms.

Without energy conversion, life as we know it would not be possible.The food chain is a series of organisms that rely on each other for energy, with producers at the beginning of the chain, and consumers at the end. Producers such as plants use photosynthesis to convert sunlight into energy, which is then consumed by herbivores and passed on to carnivores. Without energy conversion, this process would not be possible, and the food chain would collapse.

Photosynthesis is the process by which plants convert sunlight into energy, and without it, plants would not be able to grow. This process relies on energy conversion, as sunlight is converted into chemical energy in the form of carbohydrates and other compounds. Without photosynthesis, the food chain would be impossible, as plants and other producers would not be able to produce energy-rich compounds.

Finally, transportation is essential for the movement of energy and resources, as well as living organisms. Without energy conversion, transportation would be restricted, as cars, planes, and other vehicles rely on energy conversion to operate. Without energy conversion, these vehicles would not be able to move, and the transportation of resources and living organisms would be impossible.

Learn more about Energy at : https://brainly.com/question/8427473

#SPJ4

In any field of sunflowers, the height of the plants vary. birds first eat the seeds from the tallest plants. if this eating pattern continues season after season, what would we expect to happen to sunflowers over time?

Answers

The right response is: A.

Natural selection will favour this characteristic since shorter plants are better fitted to survive (the taller ones are devoured by birds).

The greatest flowers and plants for luring songbirds should include nesting materials as well as edible seeds or fruit. The best choice is to choose hardy perennials that are native to your area and should do well in most gardens.

Heliotropic indicates that sunflowers turn their flowers to face east as the Sun moves across the sky.Thus, now we know that birds prefer tall plants to eat first as compared to the short plants.

To know more about characteristic please check the following link

https://brainly.com/question/11888436

#SPJ4

In any field of sunflowers, the height of the plants vary. Birds first eat the seeds from the tallest plants. If this eating pattern continues season after season, what would we expect to happen to sunflowers over time?

A. Get shorter

B. Become extinct

C. Reproduce asexually

D. Stop producing seeds

describe how a test cross can be used to determine whether a dominant trait is homozygous or heterozygous.

Answers

A test cross is a union of two individuals, one of unknown genotype and the other of homozygous recessive genotype. A test cross establishes or reveals the original person's genotype. Finding out whether a dominant phenotype is homozygous or heterozygous for a certain characteristic can be helped by a test cross.

The creature that expresses the dominant phenotype and has an unknown genotype crosses with a homozygous recessive person who is known to have that genotype. This page discusses the test cross, the person who found it, and several examples of it. The distinction between homozygous and heterozygous was also explained. We have seen examples of homozygous and heterozygous traits and comprehended the distinction between dominant and recessive traits.

To know more about phenotype, click here:

https://brainly.com/app/ask

#SPJ4

describe the purpose of the following types of cell division in an organism with a life cycle involving gametic meiosis

Answers

Gametic meiosis is used to produce haploid gametes which are used in sexual reproduction to create offspring with genetic diversity.

What are the types of cell division in an organism?

The types of cell division in an organism are: mitosis, meiosis, cytokinesis, and endoreduplication.

1. Mitosis: Mitosis is the process of cell division that occurs in many organisms and is essential for the growth and development of cells. It is the process by which a single cell divides into two genetically identical cells. Mitosis is necessary for the growth and development of an organism, as it allows for the production of new cells that can then go on to form new organs and tissues. Mitosis is also important in the production of gametes during meiosis, as it is the first step in the process of sexual reproduction.

2. Meiosis: Meiosis is the process of cell division that occurs in organisms with a sexual life cycle, such as humans. It is the process by which a single cell divides into four genetically distinct cells. Meiosis is necessary for the production of gametes, which are required for sexual reproduction. During meiosis, the chromosomes in the parent cell are segregated into four daughter cells, which then go on to form the gametes. Meiosis is also important in maintaining genetic diversity, as the segregation of chromosomes during meiosis results in the creation of new combinations of alleles in the gametes.

3.Cytokinesis is a type of cell division that physically separates the daughter cells produced by mitosis and meiosis.

4.Endoreduplication is a process in which a cell replicates its genetic material without undergoing cell division.

To learn more about Types of Cell Division refer to:

https://brainly.com/question/13029861

#SPJ4

How does dry air affect transpiration rate (Increase, decrease, no change) and why?

Answers

Answer:

The effect of dry air is in Increased movement of the air around a plant will result in a higher transpiration rate.

Explanation:

It is easier for water to evaporate into dryer air than into more saturated air. Increased movement of the air around a plant will result in a higher transpiration rate. If there is no wind, the air around the leaf is still and transpiration raises the humidity around each leaf.

Answer:

Dry air can decrease the transpiration rate.

Explanation:

Dry air can cause the stomata to close in order to conserve water, which also reduces transpiration.

eutrophication can cause too many algae to grow in a freshwater ecosystem. what can humans do to prevent eutrophication?

Answers

Humans can keep wastes from hog farms out of the water supply to prevent eutrophication.

What is eutrophication?

Eutrophication is the gradual enrichment of a whole body of water, or sections of it, with minerals and nutrients, typically nitrogen and phosphorus. It has also been characterized as "nutrient-induced increase in phytoplankton production". Eutrophication, which happens when the environment gets enriched with nutrients, increases the quantity of plant and algae development in estuaries and coastal waterways, causes harmful algal blooms, dead zones, and fish deaths. Dystrophic and hypertrophic conditions are other terms for advanced eutrophication. Eutrophication can have an impact on both freshwater and saltwater systems. Excess phosphorus is nearly often the culprit in freshwater environments.

Here,

To prevent eutrophication, humans can keep hog farm excrement out of the water source.

To know more about eutrophication,

https://brainly.com/question/26451414

#SPJ4

How does genetic engineering make the production of a human hormone safer, cheaper, and faster? Is genetic engineering always beneficial? Explain.

Answers

Answer:

Genetic engineering is a technology that can be used to alter the genetic makeup of an organism, including humans. It can be used to produce human hormones that are safer, cheaper, and faster to produce than traditional methods. For example, genetic engineering can be used to produce human insulin from bacteria, which eliminates the need for insulin from animal sources. Additionally, genetic engineering can be used to modify existing hormones, such as growth hormones, to make them more effective.

While genetic engineering can provide many benefits, it is not always beneficial. Genetic engineering can be used to create organisms with traits that may be harmful, such as increased antibiotic resistance. Additionally, it can be used to produce organisms that may have unforeseen consequences, such as genetically modified organisms that may cause environmental damage. Therefore, it is important to consider the potential benefits and risks of genetic engineering before using it.

Which one of the following metals can be used to make the needle of except steel a magnetic compass?

Answers

Iron can be magnetized, so it can be used to make the needle of a magnetic compass. Thus, the correct answer is option A.

A magnetic compass is a navigational instrument that uses a magnetized needle to indicate the direction of the magnetic north. The needle is typically suspended in a fluid or mounted on a pivot point, allowing it to rotate freely and align itself with the earth's magnetic field. Since the Earth's magnetic field is strongest at the poles, the needle will always point towards the magnetic north pole.

Iron is a good choice for making the needle of a magnetic compass because it is a ferromagnetic material, meaning it can be magnetized and will retain its magnetism. Steel is also commonly used, as it is an alloy of iron and carbon. Copper, silver and gold are not magnetic and therefore cannot be used to make a needle for a magnetic compass.

To learn more about Metals,

https://brainly.com/question/28931986

The complete question is -

Which one of the following metals can be used to make the needle except steel a magnetic compass?

A. Iron

B. Copper

C. Silver

D. Gold

imagine that you are enjoying a day at the beach in california, exploring tide pools. you find a california sea hare in the shallow water and gentle scoop it into your hand, as shown in the figure above. as you touch it, the sea hare releases purple ink into your hand. you think maybe the sea hare released the ink to scare you (a potential predator) away, but you are not sure. what steps of the scientific method have you performed in your inquiry?

Answers

The scientific methods that we performed are hypothesis formation and observation.

While exploring tide pools at a beach in California, we find a California sea hare in the shallow water. On holding and touching the sea hare, it is observed that it releases purple ink into our hand. It is possible that the sea hare released the ink to scare us, a potential predator, away.

The scientific methods that we have used in this situation are hypothesis formation and observation. We first observed that the sea hare releases ink in our hand on touch. We then formed a hypothesis that the sea hare releases the purple ink on touching as it sees us as a potential predator and does it to scare us away which might or might not be true. We can only know that after testing our hypothesis.

To learn more about hypothesis here

https://brainly.com/question/896413

#SPJ4

what is the order of magnitude of the number of microorganisms in the human intestinal tract? a typical bacterial length scale is m. estimate the intestinal volume and assume of it is occupied by bacteria. (b) does the number of bacteria suggest whether the bacteria are beneficial, dangerous, or neutral for the human body? what functions could they serve?

Answers

A Goo-gle search yields the following dimensions of the intestinal tract: small intestine:

Length ≅20 ft ≅ 6 m, diameter ≅ 1.5 in ≅ 4 cm.Large intestine: length ≅5 ft ≅1.5 mdiameter ≅2.5 in ≅6 cm.

Treating the intestines as two cylinders, the volume of a cylinder of dia-meter d and length L is:

[tex]V= \frac{\pi }{4} d^{2} L[/tex].

The volume of the intestinal tract is:

[tex]V= Vsmall_ + V large_[/tex][tex]V= \frac{\pi }{4} (0.04m)^{2} (6m) + \frac{\pi }{4} (0.06)^{2} (1.5m) = 0.0117m^{3}[/tex]

Assuming that 1% of this volume is occupied by bacteria, the volume of bacteria is:

[tex]V_{bac} = (10^{-2} m^{3})(0.01) = 10^{-4} m^{3}[/tex]

Treating a bacterium as a cube of side L=10 , the number of bacteria in the intestinal tract is about:

[tex](10^{-4}m^{3}) (\frac{1bacterium}{10^{-18}m^{3} } ) = 10^{14} bacteria.[/tex]

It appears that the large numbers of bacteria present in the human body are beneficial, as the body has not developed any methods to reduce their numbers. This suggests that the bacteria must be performing useful functions, such as aiding in digestion and preventing the growth of dangerous bacteria in the intestines. Certain types of bacteria in the intestinal tract are known to be beneficial for these reasons.

Learn more about benefits of bacteria:

https://brainly.com/question/27821938

#SPJ4

This apparent path of the Sun was observed on the first day of

Answers

This apparent path of the sun can be observed on the first day of winter rather than on spring, summer or fall.

How does the Earth move?

The Earth rotates around the sun in 365-day cycle; moreover, it should be considered the Earth rotates following its axis in a 24-hour cycle and the Earth is slighly tilted. Together these movements lead to different seasons characterized not only by weather patterns but also by apparent paths of the sun.

How do the apparent paths of the sun change over the year?

The general path of the sun has the same direction as the sun rises East and sets West; however, the angle or inclination slighly changes:

Winter: The angle is 26°, which means it seems the sun is closer to the surface.Autumn and spring: The angle is 50°.Summer: The angle is 70°, this means taht during this season at midway the sun will seem to be farther than in other seasons.

Based on this, it can be concluded the image shows the path for winter as the sun is very close to the surface.

Learn more about apparent path of the Sun in: https://brainly.com/question/2598631

#SPJ1

what findings did watson and crick make from this image? shaped like a helix has a consistent diameter contains four nucleotides stores biological information includes 10 base pairs per repeat

Answers

Watson and Crick discovered that DNA has a helical structure with a consistent diameter, and four nucleotides, stores biological information, and includes 10 base pairs per repeat.

The image you are referring to is likely a representation of the structure of DNA, which was discovered by James Watson and Francis Crick in 1953. From this image, Watson and Crick made several key findings:

The structure of DNA is shaped like a helix, meaning it is a spiral structure.The helix has a consistent diameter, meaning it is uniform in size throughout.The structure contains four nucleotides, which are the building blocks of DNA and are composed of a sugar, a phosphate group, and a nitrogenous base.DNA stores biological information in the sequence of these nucleotides.The helix structure includes 10 base pairs per repeat.

To learn more about helix at

https://brainly.com/question/26256027?referrer=searchResults

#SPJ4

a type of vesicle that stores water, nutrients, and other chemicals.

Answers

Answer:

Vacuole – a type of vesicle that stores water, nutrients, and other chemicals. The large vacuole found in plant cells helps the cells maintain their shape. Vesicle – small, sac-like package of nutrients, proteins, or water created by the Golgi apparatus. Types of vesicles include vacuoles and lysosomes.

Other Questions
What is the nature of roots of the quadratic equation 4x 2 )- 12x 9 0? Determine the pH of a 0.232 M Mg(OH)2 solution at 25C A. 13.67 B. 13.37 C. 0.634 D. 12.73 E. 0.333 The function f(x)f(x) is a quadratic function and the zeros of f(x)f(x) are 11 and 22. Assume the leading coefficient of f(x)f(x) is 11. Write the equation of the quadratic polynomial in standard form. being dependable in all situations, taking responsibility for your actions, and making decisions using the best input available at the time are examples of what type of accountability? Lola takes the train from paris to nice. the distance between the two cities is about 920,000 meters. if the train travels at a speed of 230 kilometers per hour, how long will it take lola to travel from paris to nice? Which of the following is the connotation of a word?(1 point) the feelings a word suggests the feelings a word suggests the literal meaning of a word Look at the picture What is standard counter height in cm? what are on-campus resources available for student impacted by intimate partner violence and sexual assault? g which of the following represent issues of culture and ethics in international operations? a. all of the above are culture and ethics issues b. bribery c. employee punctuality d. employee stealing e. protection of intellectual property rights what is the average acceleration of the horse that slows down from 39.2 mi/h to rest in 8.1 s. express the result in si units. it is not possible to determine exactly when a particular unstable isotope will begin to decay. truefalse the new dean of a nursing program invites the faculty to share ideas and innovations in teaching and curriculum design. many of these ideas are then successfully implemented, and the staff members are keen to try on other ideas. what type of leadership is the new dean employing? the purchase orders excel file provides information about the pos characterized by a unique order no. a. use the countif function to determine how many o-ring, electrical connector, and shielded cable were sold separately. b. use an appropriate function to determine the number of electrical connectors sold by hulkey fasteners. c. modify the spreadsheet so the sheet is grouped together according to the supplier names. jacob has taken several crime scene photographs of different pieces of evidence. he has successfully tagged each photo. what information should not be included in his notes for these photographs? Which of the following statements about the effects of exercise on personality is true?A) Fitness training improves self-concept.B) Exercise decreases anxiety.C) Prolonged physical activity is associated with decreases in depression.D) all of these What do clouds and dew have in common?They are both made of water vapor.They are both forms of precipitation.They both exist in Earths atmosphere.They both form when water vapor condenses. I NEED HELP THIS IS MY FIRST TIME USING THIS BRAINLY THING PLEASE ANYONE HELP ME ON THIS ONE QUESTION Find 3 ratios that are equivalent to the given ratio.18:21 choose four musical instruments, each instrument representing one of the four families of instruments. describe the physical appearance and how sound is produced for each instrument, and what the most common use of each instrument is in music. Find the coordinates of the intersection of the diagonals of the parallelogram with the verticesW(-2,5), X(2, 5), Y(4, 0), and Z(0, 0).The coordinates of the intersection are ( , )