Answers
Answer:
The atomic Number is 42 and it has 18 electrons in the n=3shell
Explanation:
Answer:
The last choice
Explanation:
Atomic numbers are found on the top left, and the number below is the molar mass.
Related Questions
identify the species that behaves as the oxidizing agent in the following reaction. zn 2 agno3 -> zn(no3) 2 2ag
Answers
The species that behaves as the oxidizing agent in the given reaction is AgNO3.
What is oxidizing agent?
An oxidizing agent is a molecule or substance that has the ability to oxidize other molecules or substances.
Oxidation is a chemical reaction in which electrons are transferred from one molecule to another, resulting in the formation of a new compound.
Oxidizing agents act as electron acceptors, and usually contain oxygen, halogens, or other elements that can easily gain electrons. Oxidizing agents are used in a variety of chemical processes, including the production of fuels and pharmaceuticals, and in industrial processes such as metal etching and water treatment.
Therefore, The species that behaves as the oxidizing agent in the given reaction is AgNO3.
To learn more about oxidizing agent
Here: https://brainly.com/question/14041413
#SPJ4
"spatiotemporal single-cell regulatory atlas reveals neural crest lineage diversification and cellular function during tooth morphogenesis" who wrote this paper ?
Answers
The given paper was written by JunJun Jing, Yuan Yuan, Jifan Feng, Tingwei Guo, and Yang Chai.
Who was the discoverer of the neural crest cell?In the 1950s, researchers started to further study skeletal tissues that originated from the neural crest. Sven Hörstadius published 1950 about The Neural Crest: Its Properties and derivations in the Light of Experimental Research.
What is the significance of neural crest cells?The cranial neural crest cells are essential to craniofacial tissue and organ maturation including the tooth organ. These cells give rise to varied dental tissues including pulp, cement, dentin and periodontal tissue.
To know more about tissues, visit here:
https://brainly.com/question/17664886
#SPJ4
disruption of the normal microbiota can result in infections caused by which of the following microbes?
Answers
Clostridium difficile. Broad-spectrum antibiotic treatment over an extended period of time can alter the typical microbe in the human intestines.
Irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD), as well as more widespread systemic manifestations of disease including obesity, type 2 diabetes, and atopy, have all been associated with an imbalance of the normal gut microbe. When these antibiotics eliminate the healthy gut microbiota, Clostridium difficile populations can rise, leading to the potentially lethal illness known as pseudomembranous colitis. A variety of disorders, including obesity, type 2 diabetes, hepatic steatosis, inflammatory bowel diseases (IBDs), and various cancer types are now known to be correlated with abnormalities in the gut microbiota. As a result, it is possible that different metabolic pathways involved in immunity, energy, lipid, and glucose metabolism are impacted.
The complete question is:
Disruption of the normal microbiota can result in infections caused by which of the following microbes?
Candida albicans
Mycobacterium
Clostridium difficile
Learn more about microbe here:
https://brainly.com/question/14571536
#SPJ4
The ability to taste the compound PTC is controlled by a single dominant allele (T). In a population in Boston, 132 individuals could taste the compound, and 54 could not. Calculate the allele and genotype frequencies in the population. 1 pt each
(The total population size was no given)
What is the allele frequency of the T allele? _________________________
What is the allele frequency of the t allele? _____________________________
What is the frequency of tasters? _____________________________
What is the frequency of heterozygous individuals? ___________________________
What is the frequency of nontasters? ________________________
Answers
The allele frequency of the T allele is 0.71.
The allele frequency of the t allele is 0.29.
The frequency of tasters is 0.71.
The frequency of heterozygous individuals is 0.36.
The frequency of nontasters is 0.29.
What is allele?
An allele is an alternative form of a gene. It is one of two or more versions of a gene that can occur at a particular location on a chromosome. The alleles carry alternative forms of the same gene and are distinguished by their different nucleotide sequences. Alleles influence the physical characteristics of an organism, for example, eye color, hair color, height, etc. Alleles can be either dominant or recessive.
Allele Frequency of T: 132/186 = 0.71
Allele Frequency of t: 54/186 = 0.29
Frequency of Tasters: 132/186 = 0.71
Frequency of Heterozygous Individuals: 132/186 x 0.5 = 0.36
Frequency of Non-Tasters: 54/186 = 0.29
To learn more about allele
https://brainly.com/question/23516288
#SPJ4
the diploid number of chromosomes in the cell of a domesticated dog is 7878. which of the following options includes the correct number of chromosomes in a cell after each cellular process (g2g2 checkpoint, meiosis, and fertilization, respectively)? responses after g2g2 checkpoint after meiosis after fertilization 156156 7878 3939 , after g 2 checkpoint after meiosis after fertilization 156 78 39 after g2g2 checkpoint after meiosis after fertilization 7878 3939 7878 , after g 2 checkpoint after meiosis after fertilization 78 39 78 after g2g2 checkpoint after meiosis after fertilization 156156 3939 7878 , after g 2 checkpoint after meiosis after fertilization 156 39 78 after g2g2 checkpoint after meiosis after fertilization 7878 7878 3939
Answers
The correct answer is after g2g2 checkpoint after meiosis after fertilization 7878 3939 7878.
What is fertilization ?
Fertilization is the process of joining a sperm cell with an egg cell, resulting in the formation of a single cell called a zygote. During fertilization, the egg releases chemicals that cause the sperm cell to undergo a process known as the acrosome reaction, which enables it to penetrate the egg's outer membrane and release its genetic material. The sperm cell then fuses with the egg cell, and the genetic material from both cells combine to form the zygote. Fertilization is the first step in the process of reproduction.
Therefore, The correct answer is after g2g2 checkpoint after meiosis after fertilization 7878 3939 7878.
To learn more about fertilization
Here: https://brainly.com/question/1294562
Cells are the basic unit of life. In the Cells lab, we'll observe several different kinds of cells. Which of the following answers are true? (Pick all correct answers for credit)
All cells come from pre-existing cells.
All cells contain membrane-bound organelles.
Cells are nearly all the same size.
Cells vary in size across orders of magnitude.
Eukaryotic cells are usually distinguished from prokaryotic cells by membrane-bound organelles.
Prokaryotic cells are generally larger than eukaryotic cells.
Answers
Because a cell is capable of autonomous existence and can do all necessary tasks for surviving, a cell is the structural and functional unit of life. Nutrition, respiration, excretion, transportation, and reproduction are all carried out by a cell.
Why are cells significant?From bacteria to humans, cells give all living things their structure and functionality. They are regarded as the tiniest form of life by scientists. The biological apparatus that produces proteins is housed within cells.
Initially, who was the cell?Self-replicating RNA and related molecules are believed to have formed the first cell when they were enclosed in a phospholipid-based membrane. There are two lengthy hydrophobic chains on each phospholipid molecule (more...)
To know more about cell visit:-
https://brainly.com/question/30046049
#SPJ4
A wave in which the motion of the medium is parallel to the direction
of the wave is called a (an)
Answers
Answer: Longitudinal wave
Explanation: waves can be categorized on the basis of direction of movement of the individual particle of the medium relative to the direction of the wave it travels. Now, on the same basis we will categorize longitudinal and transverse wave.
Now the question asked about the longitudinal wave so, we can answer through the following definition. stationary waves are the waves which remain stationary with respect to time and distance.
longitudinal waves are the waves in which the vibration of the medium is parallel to the direction the wave travels and displacement of the medium is in the same direction of the wave propagation.
a deer waits motionlessly, hidden in the thicket as a band of hunters approaches. as the hunters get closer, their dogs bark, picking up the scent of their prey. in a futile effort to escape, the deer bolts. which of the following most accurately describes the nervous system of the hunted deer at this point? group of answer choices
Answers
The appropriate response is (A) Sensory: detects changes in the environment and transmits information to the brain and spinal cord.
Which of the following statements best sums up how the nervous system works? The appropriate response is (A) Sensory: detects changes in the environment and transmits information to the brain and spinal cord.The nervous system's main job is to gather a wide variety of sensory data, analyze, interpret, and integrate that data, and launch the proper bodily reactions as a result.The central organizing mechanism of the organism is the neurological system.Each and every experience, thought, and deed has a reflexive effect.The central nervous system (CNS) and the peripheral nervous system are the two main divisions used to categorize the structures of the nervous system (PNS). Blood flow to the body and the nervous system's management of blood pressure and heart rate.Hormones produced by the endocrine system control neuronal activity.To learn more about nervous system refer
https://brainly.com/question/869589
#SPJ4
Discuss the distribution earthquakes and volcanoes over the surface of the earth. Are they scattered at random or are they concentrated in zones? Describe your observations.
Answers
Earthquakes and volcanoes are not distributed randomly over the surface of the Earth. Instead, they are concentrated in certain zones, known as tectonic plate boundaries.
What is the the distribution earthquakes and volcanoes about?The Earth's surface is made up of several large tectonic plates that are constantly moving and interacting with one another. These interactions can cause a number of geological phenomena, including earthquakes and volcanoes.
Earthquakes are most commonly found along plate boundaries where two plates are either colliding (convergent boundary), sliding past one another (transform boundary) or moving apart (divergent boundary). The majority of earthquakes occur along plate boundaries, but some also occur in the interior of plates, these are known as intraplate earthquakes.
Volcanoes are also concentrated along plate boundaries, particularly at divergent and convergent boundaries. Divergent boundaries are typically found in the oceanic crust, such as the Mid-Atlantic Ridge, and are characterized by the formation of new crust as the plates move apart. This process can lead to the formation of volcanic island chains, such as the Hawaiian Islands.
Learn more about earthquakes from
https://brainly.com/question/248561
#SPJ1
This diagram orders biological systems from least complex (at the beginning)
to most complex at the end):
Population - Community - Ecosystem - Biome
Which systems include abiotic factors?
O A. Population and community only
• B. Community and ecosystem only
• C. Community, ecosystem, and biome only
O D. Ecosystem and biome only
Answers
Community, ecosystem, and biome only include abiotic factors.
What is an example of an abiotic factor in an ecosystem? An abiotic factor in an ecosystem is a non-living element that can affect the environment and the organisms within it. Examples of abiotic factors include climate, soil, air temperature, water, sunlight, and other physical and chemical elements of the environment.Climate is one of the most important abiotic factors in an ecosystem, as it can affect the ability of organisms to survive. For example, high temperatures may limit the range of certain species, while extreme cold can kill off entire populations.Soil is also an abiotic factor that can affect an ecosystem. It can provide nutrients for plants and provide a habitat for microorganisms. Soil composition and texture can also influence the types of plants that can grow and the number of animals that can inhabit an area.Air temperature is another important abiotic factor, as it can influence the activity of organisms, such as the speed at which plants and animals grow and reproduce.Water is also an important abiotic factor, as it is necessary for most organisms to survive. It also influences the type of organisms that can inhabit an area, as some species may require certain levels of water and salinity.Sunlight is a major abiotic factor, as it provides energy and warmth to plants and animals, and is necessary for photosynthesis to occur.All of these abiotic factors interact with one another and with the biotic factors in an ecosystem, such as plants and animals, to create a balanced and healthy environment. Without these abiotic factors, ecosystems would not be able to function.
To learn more about abiotic factors refer to:
https://brainly.com/question/12689972
#SPJ1
What are superbugs?
A. Insects that have become resistant to bug sprays.
B. Insects that have been genetically enhanced with superior abilities.
C. Bacteria that have been genetically modified to perform specific chemical functions for humans.
D. Bacteria that have become resistant to antibiotics.
Answers
Answer: D
Explanation:
Superbugs are bacteria that have developed resistance to antibiotics.
MRSA (methicillin-resistant Staphylococcus aureus) is one such superbug. It has become resistant to many antibiotics, and MRSA infections can be difficult to treat.
Move each characteristic into the correct category to compare and contrast bacteria, eukaryotes, and viruses.
Answers
Bacteria & eukaryotes, eukaryotes, bacteria, and viruses Put each trait in the appropriate category to draw comparisons between bacteria, eukaryotes, & viruses.
The actions of microorganismsHealthy foods including yogurt and cheese are produced using bacteria as well. However, contagious microorganisms can get you sick. In your body, they procreate swiftly.
How are bacteria destroyed?The idea that bacteria are destroyed at temperature below 40 ° f is untrue. In actuality, although it is slowed, bacterial growth continues. Food must be cooked at 165 degrees or higher in order to kill microorganisms by temperature. Additionally, bacteria perish in extremely acidic conditions like pickle juice.
To know more about bacteria visit:
https://brainly.com/question/8008968
#SPJ4
place the steps of the lytic cycle of a t-series bacteriophage in order, assuming that the cycle begins with an inactive virion in the environment. the next step should be placed at the top of the list and the last step before a new generation of inactive virions is found in the environment should be placed at the bottom.
Answers
Adsorption of the virion to the outer surface of a bacterial cell, contraction of the bacteriophage tails, allowing the tail tube to penetrate the bacterial cell wall.
injection of the bacteriophage genome into the host cell cytoplasm, synthesis of viral components using the cell's replication and translation machinery, assembly of new virions, and release of virions when the host cell is lysed.
The lytic cycle is one of the two cycles of viral reproduction (referring to bacterial viruses or bacteriophages), the other being the lysogenic cycle. The lytic cycle results in the destruction of the infected cell and its membrane. Bacteriophages that only use the lytic cycle are called virulent phages (in contrast to temperate phages).
In the lytic cycle, the viral DNA exists as a separate free floating molecule within the bacterial cell, and replicates separately from the host bacterial DNA, whereas in the lysogenic cycle, the viral DNA is located within the host DNA. This is the key difference between the lytic and lysogenic (bacterio) phage cycles. However, in both cases the virus/phage replicates using the host DNA machinery.
Learn more about " lytic cycle " to visit here;
https://brainly.com/question/13762063
#SPJ4
which of the following is not a characteristic shared by all chordates, at least in some part of their lifecycle?
Answers
Four-chambered heart is a characterastic which is not shared by all chordates in some of their lifecycle.
The left and right halves of the four-chambered heart are fully divided by septa. This stops the mixing of oxygenated and deoxygenated blood. All regions of the body can now receive oxygenated blood very effectively. This is helpful for species with high energy requirements, such birds and mammals.
To learn more about Four-chambered heart click here:
https://brainly.com/question/2264437
#SPJ4
The speed of sound in steel is greater than it is in air because
steel is
a. more elastic than air
b. less elastic than air
c. more dense than air
d. less dense than air
For a wave of wavelength 4 m and frequency 8 waves/sec.,
a. amplitude = 32 m.
b. amplitude = 0.5 m.
c. speed =32 m/sec.
d. speed = 2 m/sec.
Answers
a) The speed of sound in steel is greater than it is in air because
steel is more dense than air. Option C
b) The speed of the wave is 32 m/sec. Option C
What is the speed of a wave?We know that the speed of a wave is the ratio of the distance that have been covered by the wave within a given time interval. We ought to know that the speed of sound in various media do differ. This stems from the fact that density of the media also differ.
We know that;
Wavelength = 4 m
Frequency of the wave = 8 waves/sec.,
Speed of the wave = Wavelength * Frequency
= 4 * 8 = 32 m/s
Learn more about wave speed:https://brainly.com/question/10715783
#SPJ1
If an area was originally forested and then underwent urban development, which of the following shows the most likely effects on various parts of the water cycle in the area? (Note: ↑ represents an increase; ↓ represents a decrease)
answer choices
O A
O B
O C
O D
Answers
The amount of nitrates in streams that through a region will rise if the area was formerly forested and subsequently underwent urban development.
Based on the information, which of the following statements is the best approach to resolving the pest issue?The most effective way is the employment of integrated pest management strategies because fewer pests are present because the supplies of food, water, and shelter are interrupted.
Which option would decrease urban runoff by 4 points?A more permeable pavement material, such as pavers (stones) with pore holes, can be used in place of concrete and pavement to achieve this. Additionally, adding trees and taller buildings to a streetblock rather than expanding them outward
To know more about nitrates visit:-
https://brainly.com/question/30262011
#SPJ4
The brains of people and animals reared in richly stimulating environments differ from the brains of people reared in understimulating, neglectful, or abusive environments. This happens because
Answers
which of the following best describes why food moves through the digestive system from the mouth toward the anus
Answers
Peristalsis best describes why food moves through the digestive system from the mouth toward the anus.
What do you mean by the digestive system?
The digestive system is the group of organs that break down food into nutrients that the body can use. It basically includes the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. The digestive system also makes and releases hormones and enzymes that help break down food and absorb nutrients.
Peristalsis is a type of involuntary muscle contraction that causes food to move through the digestive system from the mouth to the anus. It works by contracting and relaxing the muscles in the walls of the digestive tract in a wave-like motion. This movement propels food through the digestive system, allowing it to be broken down and absorbed into the body. Peristalsis is the main way food moves through the digestive system, and is an important part of the digestion process.
To know more about the digestive system,
https://brainly.com/question/18639907
#SPJ4
Answer for room 5 punnet square escape room
Answers
In Punnett Square, a grid and letters are used. Lowercase letters correspond to recessive alleles, while capital letters signify dominant alleles.
What is Punnett square?The known genotypes of each parent are displayed using this tool to aid in predicting the potential genotypes of their offspring. It demonstrates how alleles are inherited or transmitted from parents to offspring.
It is frequently utilized in monohybrid and dihybrid crosses, where the theoretical results are predicated on the assumptions of segregation and independent allele distribution (according to Mendelian inheritance).
A tool that aids in displaying all potential allele pairings of gametes in a cross of parents with known genotypes in order to forecast the likelihood that their kids would carry specific allele combinations.
Therefore, In Punnett Square, a grid and letters are used. Lowercase letters correspond to recessive alleles, while capital letters signify dominant alleles.
To learn more about punnet square, refer to the link:
https://brainly.com/question/27984422
#SPJ1
Which statement is accurate about evolution?
A) The environment selects for traits that are a good fit. These traits survive in a population and over many generations, the genetic make up of the population changes.
B) As the environment changes, organisms adapt and change to survive. Organisms adapting and changing during their lifetime leads to evolution of the population.
C) Mutations occur regardless of the environment. These mutations will always lead to evolution of the population.
D) Regardless of the environmental change, the genetic frequencies of a population always stay the same. Evolution occurs when there is no change in the population over time.
Answers
As the environment changes, organisms adapt and change to survive. Organisms adapting and changing during their lifetime leads to evolution of the population. Thus option B is correct.
Why did evolution occur?
Evolution is the shift in inherited characteristics among biological populations over successive generations. These characteristics are the results of genes that are passed from parents to children during reproduction. Any given group experiences variation due to genetic recombination and mutation.
Due to the effects of natural selection (including sexual selection) and genetic drift on this diversity, certain traits may become more common or rare within a population. Through succeeding generations, heritable traits will change as a result of shifting evolutionary forces that determine whether a feature is common or rare within a population. At all levels of biological organization, this evolutionary process is what gives rise to biodiversity.
To learn more about Evolution follow the given link: brainly.com/question/12271572
#SPJ1
multiple body systems work together to maintain homeostasis in our bodies. which of the following body systems is not involved in maintaining blood pressure?
Answers
Our bodies' various bodily systems collaborate to keep homeostasis. The digestive tract is responsible for both nutrition and water absorption as well as waste elimination.
Give a definition of homeostasis.
An organism can maintain internal stability while responding to changing external circumstances thanks to the self-regulating process known as homeostasis.
Where in the body does homeostasis occur?
Each and every organ system in the body depends on homeostasis. In a related vein, no one system in the body in the body functions alone; for example, the integumentary system is necessary for the control of body temperature.
To know more about homeostasis visit :
brainly.com/question/13033059
#SPJ4
Complete question
The body's organ systems work together to maintain homeostasis. Discuss low blood pressure, where to reach homeostasis, it requires multiple (preferably three or more) organ systems to work together to restore balance.
Name 2 differences between genetic disorders, viral infections, bacterial infections, and cancer. I need 2 differences between all 4 please. Thank you in advance!
Answers
The differences between genetic disorders, viral infections, bacterial infections, and cancer are that the genetic disorder is inherited, while the viral infection can be transferred from one person to another but not in the case of the bacterial infection. Cancer is caused by abnormal cell division.
What is the significance of the bacterial and viral infections?Genetic disorders can be caused by mutations, but viral infections, bacterial infections, and cancer are caused by external agents like chemical aging or other infections. While the genetic disorder is passed from the parent to the offspring, viral infections, bacterial infections, and cancer can occur at any point in an individual's life and can be influenced by the environment.
Hence, the differences between genetic disorders, viral infections, bacterial infections, and cancer are that the genetic disorder is inherited, while the viral infection can be transferred from one person to another but not in the case of the bacterial infection. Cancer is caused by abnormal cell division.
Learn more about bacterial and viral infections here.
https://brainly.com/question/6390688
#SPJ1
A. Describe the storage and retrieval of genetic information with the following model. Use the list to fill in the blanks with the letter corresponding to the correct term. a. amino acid b. tRNA c. DNA d. transcription e. mRNA f. translation g. protein h. RNA polymerase i. rRNA Within the cytoplasm, __ is synthesized from __ bound to __ in a sequence that corresponds to information provided by __. This process is called __. Within the nucleus, information originating in __ is encoded as a sequence of bases in __, which is synthesized by the enzyme __ that is embedded in the __. This process is called __. B. During development, cell differentiation occurs, and the expression of genes is permanently switched off. Using the model summarized above, explain where information flow is most effectively blocked. C. A chemical message is received by the cell regulating the timing of events controlled by gene expression. Using the model summarized above, explain where information flow is most effectively managed.
Answers
Within the cytoplasm, protein is synthesized from amino acid bound to tRNA in a sequence that corresponds to information provided by mRNA. This process is called translation. Within the nucleus, information originating in DNA is encoded as a sequence of bases in RNA, which is synthesized by the enzyme RNA polymerase that is embedded in the rRNA. This process is called transcription.
What is translation and transcription process? Translation is the process of converting genetic information encoded in DNA into proteins, which are the building blocks of cells. This process begins with transcription, which is the first step in gene expression. During transcription, an enzyme called RNA polymerase binds to the DNA sequence and uses it as a template to create a complementary RNA molecule. This RNA molecule is then used as a template to create a sequence of amino acids, which are the building blocks of proteins. Translation begins when the mRNA molecule is decoded by the ribosome and tRNA molecules, which match the codons in the mRNA with specific amino acids. These amino acids are then joined together to form a protein, which can be used for a variety of biochemical reactions in the cell. Translation and transcription are essential processes in gene expression, as they are necessary for the creation of proteins that are essential for the functioning of the cell.To learn more about genetic information refer to:
https://brainly.com/question/20872700
#SPJ4
Which of the following contains all the possible phenotypes that could be the result of parents who are type O and type A:
Please select the single best answer
Type A or type O only
Type A only
Type O only
All possible blood types
Answers
All possible blood types. The possible blood types that could result from parents who are type O and type A are A, O, AB, and AO.
What is blood types?Blood types refer to the classification of blood based on the presence or absence of certain antigens on the surface of red blood cells. Blood types are determined by the ABO blood group system, which classifies blood into four major types: A, B, AB, and O. Each of these types is further divided into positive or negative subtypes, depending on whether or not the Rh factor is present. Blood transfusions are only compatible between certain types, making it important to know a person's blood type before donating or receiving blood. In addition to the ABO system, there are other rarer blood types, such as the Kell and Duffy systems, which are also important to consider in transfusions.
To learn more about blood types
https://brainly.com/question/15289194
#SPJ4
A 10 year-old child received one dose of the hepatitis A vaccine at 1 year of age, but never returned for a second dose. Which of the following is true regarding the need for a second dose of the hepatitis A vaccine for this child?
A. No further doses of hepatitis A vaccine are required
B. Wait until the child is 18 years of age and give the second dose if there are other risk factors
C. Give 1 dose now as catch up
D. Restart the series and give 2 doses , 6 months apart
Answers
Answer: D
Explanation:
A pathogenic bacterium has been engulfed by a phagocytic cell as part of the innate immune response. Which of the following illustrations best represents the response? [source: AP Biology Course and Exam Description Fall 2012, p. 132]
Answers
c) (picture of bacterium entering phagocytic cell, lysosomes attach and eject trash) (image of bacterium entering phagocytic cell, lysosomes attach and expel waste.)
The IgE molecules that are recognised by the protein called allergen do not connect with mast cells when antihistamines are present. Histamine is a strong inflammatory mediator that is frequently linked to allergy reactions. It promotes changes in the blood vessels and tissues and has a high chemoattractant activity.c) (picture of bacterium entering phagocytic cell, lysosomes attach and eject trash) (image of bacterium entering phagocytic cell, lysosomes attach and expel waste.) It is thought that histamine's competitive antagonistic binding to cellular receptors, specifically the H1-receptors found on nerve fibers, smooth muscles, as well as glandular cells, is the main mechanism by which antihistamines work to treat allergic diseases. Such reactions fall into two broad categories: antibody reactions and cell-mediated immune reactions. B cells and T cells, two different classes of lymphocytes, respectively, are responsible for these reactions. B cells are stimulated during antibody reactions to secrete antibody, which are immunoglobulin-like proteins.
Learn more about bacterium
https://brainly.com/question/28250312
#SPJ4
the lungs deliver a regular supply of oxygen to the blood, which is in turn circulated to most of the cells of the body. at the same, time oxygen is consumed during aerobic cellular respiration within these cells. this implies that . the lungs deliver a regular supply of oxygen to the blood, which is in turn circulated to most of the cells of the body. at the same, time oxygen is consumed during aerobic cellular respiration within these cells. this implies that . the concentration of oxygen is higher inside of the cell relative to outside of the cell oxygen requires active transport to enter most cells the rate of oxygen diffusion is independent of concentration oxygen will passively diffuse into the cells
Answers
The lungs deliver oxygen to the blood and oxygen is consumed during aerobic cellular respiration. The concentration of oxygen inside the cell is higher than outside, so oxygen needs to be actively transported into the cells. The rate of oxygen diffusion is dependent on the concentration gradient, and oxygen will diffuse across the cell membrane from an area of higher concentration to an area of lower concentration.
How does lungs supply oxygen to the blood?The lungs deliver a regular supply of oxygen to the blood, which is in turn circulated to most of the cells of the body. At the same time oxygen is consumed during aerobic cellular respiration within these cells. This implies that:
1. The concentration of oxygen is higher inside of the cell relative to outside of the cell - This is because oxygen is used up in the cells during respiration, and the blood carries a regular supply of fresh oxygen to replenish the cells. Therefore, the concentration of oxygen will be higher inside the cells than outside.
2. Oxygen requires active transport to enter most cells - This is because the concentration of oxygen is higher inside of the cell than outside, and oxygen therefore needs to be actively transported into the cells.
3. The rate of oxygen diffusion is independent of concentration - This is not true. The rate of oxygen diffusion is dependent on the concentration gradient - the higher the gradient, the faster the rate of diffusion.
4. Oxygen will passively diffuse into the cells from the surrounding environment - This is true. Oxygen will diffuse across the cell membrane from an area of higher concentration to an area of lower concentration.
To know more about oxygen, visit
brainly.com/question/13905823
#SPJ4
Need help ASAP!!
Which of the three "planimals" described in the video do you think will have the most evolutionary success at getting energy from photosynthesis? Why?
Answers
Plants use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar through a process known as photosynthesis.
What is photosynthesis?Plants and other living things use a process called photosynthesis to transform light energy into chemical energy that can later be released through cellular respiration to power the organism's activities.
The main purpose of photosynthesis is to transform solar energy into chemical energy, which is then stored for later use. This process primarily provides energy to the planet's living systems. By the standards of human engineering, it is not particularly effective, but it gets the job done.
Note that your information is incomplete and an overview was given.
Learn more about photosynthesis on:
https://brainly.com/question/19160081
#SPJ1
I need help with this:(
Answers
Answer:
Water temperature is a key factor affecting phytoplankton bloom dynamics in shallow productive coastal waters and could become crucial with future global warming by modifying bloom phenology and changing phytoplankton community structure, in turn affecting the entire food web and ecosystem services.
name two strata of the epidermis and the process that changes the deepest stratum into the most superficial stratum
Answers
The two strata of the epidermis are the stratum basale (also known as the stratum germinativum) and the stratum corneum. The stratum basale is the deepest stratum of the epidermis and is responsible.
The stratum corneum is the most superficial stratum and is composed of dead skin cells that have been pushed to the surface. The process that changes the stratum basale into the stratum corneum is called keratinization or cornification. During this process, cells in the stratum basale epidermis begin to produce a protein called keratin, which gives them their characteristic strength and waterproofing properties. As the cells move upward through the epidermis, they lose their nuclei and other organelles, becoming the flat, scale-like cells of the stratum corneum epidermis . This process is known as cell differentiation, and it takes around 2-3 weeks to complete.
Learn more about stratum here:
https://brainly.com/question/5125379
#SPJ4
