Which process releases energy?
A. muscle building
B. formation of new proteins
C. breakdown of carbohydrates
D. muscle repair
E. DNA repair
Answer:
C.) breakdown of carbohydrates
Explanation:
Carbohydrates store energy. By breaking down carbohydrates, we can access this energy to do tasks, repair our bodies, etc. All of the other answers involve processes that require energy.
Which choice best summarizes the outcome of Redi‘s experiment?
Francesco Redi performed his experiment against the theory of spontaneous generation. In his experiment, he takes one glass jar and a piece of flesh and analyzes them in three different situations.
Why did Francesco Redi perform his glass jar experiment?Francesco Redi performed his glass jar experiment in order to illustrate the evidence against the theory of spontaneous generation.
He demonstrate that dead maggots or flies would not generate new flies when positioned on rotting flesh in a sealed jar, whereas live maggots or flies would have the capability to grow some eggs of maggots.
This experiment discredited both the presence of some essential components in once-living organisms and the requirement of fresh air to induce living life.
The complete question is as follows:
Which choice best summarizes the outcome of Redi‘s experiment?
Evidence for the theory of spontaneous generation. Evidence against the theory of spontaneous generation. Evidence for the theory of special creation. Evidence for the theory of the origin of life.Therefore, the correct option is B, i.e. Evidence against the theory of spontaneous generation.
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An atom charged -3 has atomic number 23 and atomic mass 32 what is the number of electrons of this atom
An atom charged -3 has the atomic number 23 and an atomic mass of 32, the number of electrons of this atom are 20.
What is an Atomic number?An atomic number may be defined as the number of a chemical element in the periodic table, in which the elements are positioned in order of expanding the number of protons in the epicenter known as the nucleus.
In this question, the number of electrons is 20, because the number of electrons in an atom is always equal to the atomic number of that atom, which is 23 here.
But, an atom charged -3, so, 23-3 = 20. If an atom is charged negative, the number of electrons is determined by subtracting it with an atomic number, while if it is charged positive, the number of electrons is determined by adding it with an atomic number.
Therefore, it is well described above.
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While snorkeling in the ocean you find large, leafy organisms that are brownish in color growing in large masses. You are unsure whether they are protists since they look quite plant-like. If they are actually protists, what characteristic will the organism's cells exhibit?
They are only autotrophic.
The cells will form a colony with separate groups of cells doing various jobs.
The cells will form a colony without differentiating into separate tissues.
Most of the cells in the organism will have cilia or flagella.
Answer:
D
Explanation:
They are actually protists, what characteristic will the organism’s cells exhibit Most of the cells in the organism will have cilia or flagella.
What is the difference between stolon and hyphae?
A stolon is describes as an septate hypha, which links sporangiophores together.
Root-like network called rhizoids may look on the stolon as well, docking the hyphae to the substrate.
The stolon is commonly found in bread molds, and are seen as horizontally extending across the mold.
Thus, option "D" is correct, because Most of the cells in the organism will have cilia or flagella.
Genes express themselves at different times because
A. this saves time
B. this saves space
C. this saves energy
D. Only b and c are correct
Answer:
D
Hope this helps!
HELP ME PLS, I WILL GIVE THANKS AND BRAINLIEST
In cats with the Manx Trait, the M allele causes a short or absent tail, whereas the m allele confers a normal, long tail. Cate of genotype MM die as embryos. If two Manx cats mate, what is the probability that each living kitten has an long tail?
Answer:
2/3
Explanation:
Offspring are :
- MM
- Mm
- Mm
- mm
Now, it mentions living kitten.
Hence, they will be :
- Mm
- Mm
- mm
Out of the 3, 2 will have a long tail.
Hence :
P (long tail) = 2/3
Question 6
What role did the bile salts play in Part 3 of this exercise? How do these results correlate with where bile salts occur in the human body?
Answer:
Ans:They are produced in the liver, directly from cholesterol. Bile salts are important in solubilizing dietary fats in the watery environment of the small intestine.it elements toxins it breakdown the fats and it absorbe important vitamin of your food.
Explanation:
The body's ability to digest fat depends on bile salts. They work as emulsifiers, dissolving lipids into smaller droplets to facilitate enzyme digestion.
After a meal, bile salts are produced in the liver, stored in the gallbladder, and then released into the small intestine. Their presence in bile makes it possible to break down and effectively absorb dietary fats. Some bile salts are recycled by the body after aiding in digestion, thereby saving energy. Bile salts contribute to the body's food intake and normal metabolic processes by helping to ensure efficient fat digestion and absorption.
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The picture below shows the structure of one type of organic molecule.
CH3
CH₂
A caffeine molecule
How many carbon atoms does this molecule contain?
O A 6
OB. 10
O C. 7
O D. 8
Experiment 1: Cell size and rate of diffusion
For this lab, you will make three "cuboidal cells" with the dimensions below:
1 cm
cm
2 cm.
Prediction:
2 cm
2 cm
Dom
3cm
3cm
You will place each of the three cells in a solution that will be called cell media. This media contains the
nutrients the cell needs to survive. The media must reach all portions of the cell interior in order for proper
cell function.
Question: In a ten-minute time period, which cell will allow for maximum diffusion of the media to all
portions of the cell? (Please, don't answer this question; it will be answered using data from the
experiment simulation. Remember we are following the scientific method.)
1. Based on the question above, formulate a hypothesis and prediction for this experiment: (4 pts)
Hypothesis:
What would the hypothesis and prediction be of this experiment
Answer:
well this is very simple just add 2
Explanation:
Geranium plants will freeze if planted too early. This is an example
of the influence of
a. light.
b. minerals.
c. water.
d. soil.
e. temperature.
Answer:
E. temperature
Explanation:
plants freezing to death obviously deals with the temperature in air.
Describe the political actions that led to successful conservation in the forest industry. Think about ORGANIZATIONS from each article.
flvs for 4.01 and forests wisely
The political acts that sparked discussion about success in the woodland industry are What they refer to as a company obtaining a production facility, which can make the forestry business successful and real.
What societal challenges are political parties helping with?Social issues including poverty, a lack of awareness, the inability to meet basic needs, etc. had an impact on the problem or the solution in the stories, such as How to Use Timberlands Wisely and Local Area Protection.
Due to the fact that these problems forced people to indiscriminately use the land and cut down trees in order to meet their basic needs, which improved the general public's economic well-being.
People in the backwoods chopped trees because they were in need and offered them to bring in money to buy food and other essentials for their families.
There is no need to cut down trees or use land, assuming that these social issues are resolved.
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Help please !! Urgently I need thus as fast as possible pleaseee
Explanation:
the plant will show positive phototropism..it will bend towards the direction of sunlight entering the box through the opening(the door)..
if it is watered , then the roots might grow and the plant would replenish, if not .then at some certain point, it won't show phototropism any longer..
hope this helped
According to the CDC, what is the definition of sanitizing?
Answer:
Cleaning or disinfecting surfaces or objects to lower the risk of spreading infection
Explanation:
Sanitizing lowers the number of germs on surfaces or objects to a safe level, as judged by public health standards or requirements. This process works by either cleaning or disinfecting surfaces or objects to lower the risk of spreading infection.
When the body is attacked by a foreign substance, the _____ defenses are the first to react.
specific
nonspecific
B lymphocyte
T lymphocyte
Where are chromosomes located during metaphase?
The mitotic spindle pulls the chromosomes together at the metaphase plate. Microtubules from opposite spindle poles grab the two sister chromatids of each chromosome. In metaphase, the spindle has collected all the chromosomes and lined them up at the middle of the cell, ready to divide.
What are chromosomes?Chromosomes are the greatest level of DNA and protein organization. Chromosomes' primary job is to transport DNA and genetic information from parents to offspring. During cell division, chromosomes play a vital role. They keep DNA from becoming twisted or damaged.
The metaphase plate is a plane or region that is about equidistant from a dividing cell's two poles.
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Explain why scientists might use models to represent Earth’s process
Answer:
Scientists use models to investigate objects or processes that happen too slowly, too quickly, or on too small of a scale to observe directly.
They also use models to explore phenomena that are too vast, too complex, or too dangerous to study firsthand.
The answer I chose is incorrect help me find the correct answer
T - cells increase in number in response to a parasitic invasion.
Effect of T cells during parasitic invasionDuring a parasitic invasion the T-cell releases perforin and cytotoxins.
How perforin and cytotoxins responds; Perforin first makes a pore, or hole, in the membrane of the infected cell. Cytotoxins go directly inside the cell through this pore, destroying it and any viruses inside.Thus, T - cells increase in number in response to a parasitic invasion.
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A template strand of DNA contains nucleotides in the following proportions: 14% adenine
(A), 33% thymine (T), 21% cytosine (C), and 32% guanine (G). What can you expect
the proportions of the nucleotides to be in the newly formed complementary strand?
Answer:
The proportions of nucleotides in the newly formed complimentary strand will be:
14% Thymine (T), 33% Adenine (A), 21% Guanine (G), 32% Cytosine (C).
Explanation:
In a double stranded DNA, the nucleotides of one strand binds with nucleotides of another strand through hydrogen bonds.
Adenine binds with thymine by two hydrogen bonds (A=T) and guanine binds with cytosine by three hydrogen bonds (G≡C).
So, the complimentary strand must have
thymine equal to the amount of adenine in template strand.adenine equal to the amount of thymine in template strand.guanine equal to the amount of cytosine in template strand.cytosine equal to the amount of guanine in template strand.Question: What do all organisms
have in common?
Answer:
All living things have certain traits in common: Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will exhibit all of these traits.
Which of Mendel's laws or principles explains that traits are passed from parents to offspring individually instead of as pairs, groups, or sets?
Answer:
the law of independent assortment
Explanation:
The law of segregation is the Mendel’s laws or principles explain that traits are passed from parents to offspring individually instead of as pairs, groups or sets. So the correct option is option “C” as far as the given question is concerned. This is a law or principle which states that during the formation of gametes, two copies of each heredity factors separate out so that the new offspring can get one factor of both the parents. This law was the first law in this direction.
Large animals have specialized gas exchange systems. Fish use ______ and insects use ________.
A. spiracles, alveoli
B. pleural membrane, alveoli
C. gills, pleural membrane
D. gills, spiracles
Among animals, for gaseous exchange, Fish use gills and insects use spiracles. The correct option is D.
What is respiration?The procedure by which cells utilize oxygen to break down sugar and obtain energy is referred to as respiration.
There can be different organs for respiration in different animals. For example, human uses lungs, fishes have gills, insects have spiracles, etc.
Thus, the correct option is D.
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This best describes which type of relationship?
Certain bacteria live in plant roots and receive sugars from the plants. The bacteria provide a source of useful nitrogen for the plants. This best describes mutualism type of relationship.
What is mutualism?Mutualism is the type of feeding relationship between two different organisms where both benefits from each other without causing harm.
Examples of mutualistic feeding relationship include:
coral and algaeoxpecker (a kind of bird) and the rhinoceros.The feeding relationship that exists between the bacteria and the plant roots is mutualism because the bacteria receives sugar from the plants roots while the plants obtain a source of useful nitrogen from the bacteria.
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A river system is made up of a river and its a. sediments. b. divides. c. runoff. d. tributaries.
Answer:
A river system is made up of a river and its tributaries.
What is a river system?
A river system is a term used to describe the broader networks of streams, lakes, and rivers that are tributaries and distributaries of a larger river. For instance, the Mississippi River system includes the Ohio, Red, and Missouri rivers, all of which drain into the Mississippi River. Due to its interconnectedness, the condition of one river may have an effect on the health of the other rivers in the same river system. A river system can also include other types of terrain, such as the wetlands and flood plains that are affected by a major river and its tributaries and distributaries. The majority of the time, rivers have a primary source, such as snowmelt from a mountain that cascades into a number of streams, which eventually merge to form a river that empties into a much bigger river. This is an illustration of a river network. River systems are ecosystems from an environmental perspective, and if even one component of the system is contaminated or destroyed, it may have a severe impact on things like water quality and the health of plants and animals. For instance, the effects of high pollution levels or prolonged drought near a river's source will be felt throughout the rivers and lands that make up the river system.
An example of this is the Amazon River in Brazil (South America).
Answer:
A river system is made up of a river and its tributaries.
B. Prepare a FLOWCHART for the isolation of the following: (conventional methods only: culture, through a by product and/or immune response) Include the specimen of choice for the indication (given disease).
1. Dysentery caused by Shigella dysenteriae
2. antibiotic associated diarrhea caused by Clostridium difficile (detection of toxin)
3. dermatophyte infection in the nails
4. Dengue fever by immune response
1. Dysentery caused by Shigella dysenteriae is isolated using MacConkey Lactose agar and Xylose Lysine agar
2. Antibiotic associated diarrhea caused by Clostridium difficile (detection of toxin) is isolated using Clostridium difficile selective medium
3. Dermatophyte infection in the nails is isolated using potatoes dextrose agar
4. Dengue fever by immune response is isolated using minimal essential medium (MEM)
1. Dysentery caused by Shigella dysenteriae
Collection of fecal specimens and poultry (100) fecal samples collected from were processed according to published protocols. Streak one loopful of fecal sample on MacConkey Lactose Agar (MLA) and Xylose Lysine agarIncubated at 37 C for 24 hours The MLA plates showing the presence of convex and colorless colonies are considered for further identification. Similarly, the XLD plates showing appearance of presence of translucent or red colored colonies are taken for further identification.2. Antibiotic associated diarrhea caused by Clostridium difficile (detection of toxin)
Mix equal parts of industrial absolute alcohol and the fecal specimen. Homogenize using a vortex mixer. Leave at room temperature for 1 hr. Inoculate on Clostridium difficile Selective AgarIncubate at 37ºC in a conventional anaerobic gas jarObserve after 24-48 hours in anaerobic environment . Use gram stain reagent and Malachite green for morphological study. Observe positive bacillus cell shape with single or chains(2-6)cell and sub terminal endo spore forming after gram staining3. Dermatophyte infection in the nails
Prepare potatoes dextrose agar (PDA)Collect clippings from the nail with a sterile scalpel after carefully washing the site with 70% alcohol. Dissolved in two drops of 10% KOH on a glass slide, if the sample is thick, use 20% KOH Heat the slide few seconds over a spirit lamp, do not allow to boil.Observe preparation under a low power of the microscope in reduced light. Look out for presence of mycelia fragments and the distribution of spores inside.4. Dengue fever by immune response
Dilute blood samples in minimal essential medium (MEM) containing 2% fetal bovine serum (FBS) Add diluent to a cultured monolayer of C6/36 cells for 1 hour with gentle rocking in a 28 °C CO2 incubator.After 1 hour, remove the inoculum and cells Culture for 7 days in MEM with 2% FBS and antibiotics. Collect culture supernatant on day 7 and infect a new batch of C6/36 cellsRepeat the procedure three times to achieve passage 3 (P3) isolates.Learn more about culturing of microorganisms here:
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organisms swimming on the surface of water are
Answer:
.
Explanation:
organism swimming on surface of water are plankton
Answer:
plankton
Explanation:
they are plankton
Name 3 specific resources that are overexploited in anne arundel county?
3 specific resources that are overexploited in Anne Arundel County, marine resources, nature exploration and fishing.
What is Anne Arundel County known for?With over 500 miles of coastline, Anne Arundel County is known for
boatingfishingcrabbingwater skiingsailing and swimming.For nature lovers, there are two state parks, more than 120 municipal parks and several nature reserves.
With this information, we can conclude that 3 specific resources that are overexploited in Anne Arundel County, marine resources, nature exploration and fishing.
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Which of the following is NOT true about steroid hormones?
Select one:
A. All of the choices are true.
B. They bind on cell membrane receptors.
C. The cannot be made in advance.
D. They have a long half-life.
E. They are derived from cholesterol.
For Physiology
Two subgroups of a population separated by a river are rejoined when a drought causes the river to run dry. Assuming that speciation has not yet occurred, what is true about the two subgroups?
A. Speciation will speed up since there will be more competition
between the subgroups.
B. The likelihood that speciation will be completed will decrease.
C. The two subgroups will still be reproductively isolated and unable
to mate.
D. New traits that resulted from mutation will not flow between the
subgroups.
When separated subgroups of a population are rejoined due to drought, increased gene flow reduces reproductive isolation and lowers the likelihood of speciation. The correct answer to the question is B.
When two subgroups of a population are separated by a geographic barrier, such as a river, reproductive isolation occurs, which can lead to speciation over time. However, when a drought causes the river to run dry and the subgroups are rejoined, gene flow between the subgroups increases. This increased gene flow can reduce reproductive isolation and decrease the likelihood of speciation. Therefore, option B is correct. Option A is incorrect because increased competition between the subgroups does not necessarily speed up speciation. Option C is incorrect because when the subgroups are rejoined, they can interbreed and are no longer reproductively isolated. Option D is also incorrect because traits resulting from mutation can flow between the subgroups due to increased gene flow.For more questions on drought
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Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is called ________
The five-carbon sugar in RNA is called ________
Answer:
RNA has for nitrogenous bases out of which three are the same as DNA. The bases common to both DNA and RNA are Adenine (A), Guanine (G) and Cytosine (C). The one that is different is called Uracil (U).The five carbon sugar in RNA is called Ribose sugar.Explanation:
DNA consist of four bases that are A,T,C and G. Similarly, RNA also consists of four bases that are A,U,C and G.
Thymine (T) is not present in RNA, instead of it, RNA has Uracil (U) which binds with Adenine (A) by two hydrogen bonds.
The five-carbon sugar that is present in RNA is ribose and that present in DNA is deoxy-ribose. Ribose and deoxy-ribose differ at second carbon. Ribose has an OH at second carbon while in deoxy-ribose, O is missing at second carbon and it has only H.
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Red bone marrow only differs from yellow bone marrow because of a difference in the amount of which substance?
Red bone marrow only differs from yellow bone marrow because of a difference in the amount of fat.
What is Bone marrow?Bone marrow may be defined as an absorptive substance discovered in the middle of the bones. It synthesizes bone marrow stem cells and other substances which are responsible for producing blood cells.
The complete question is as follows:
the amount of antibodythe amount of cytokinethe amount of antigenthe amount of fatRed marrow includes blood stem cells that can evolve into the different components of blood such as red blood cells, white blood cells, or platelets. While yellow marrow is constructed predominantly of fat.
Thus, it is well described above.
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