4. consider the following genotype: yy ss hh. we have now added the gene for height: tall (h) or short (h). a. how many different gamete combinations can be produced? 8
Answers
Consider the following genotype: yy ss hh, we have now added the gene for height: tall (h) or short (h), the different gamete combinations can be produced is 8
When we add the height gene to the existing genotype, we get the genotype yy ss hh Hh (where Hh represents the new gene for height). Each gamete will have only one allele from each gene, which means we have to consider each gene separately. For the gene for yellow (y), we have only one allele (y), so each gamete will have a y allele. For the gene for seed shape (s), we have only one allele (s), so each gamete will have an s allele. For the gene for height (h), we have two alleles (H and h), this means that there are two possible gametes for this gene: H and h.
Therefore, the total number of different gamete combinations that can be produced is the product of the number of possible gametes for each gene: 1 (y) x 1 (s) x 2 (h) = 2
However, since we have two copies of each gene (yy, ss, and hh), we have to consider each combination of the two copies. This means that the total number of different gamete combinations that can be produced is 2 x 2 x 2 = 8.
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Related Questions
PLEASE HELP ME ;0;
A filmmaker wants to depict a realistic dramatization of a scientist making and communicating an important scientific discovery. Which plot description would best depict the methods of discovery and communication that a modern professional scientist uses?
A: The scientist collaborates with others to plan and carry out an experiment and then writes a paper that has a clear conclusion. He submits it to a professional journal for peer review, after which the results are presented publicly.
B: The scientist works with a few other scientists in a secret lab that is sponsored by a large business corporation. When the scientists have results, they contact others in the scientific community to report their results.
C: The scientist works alone in a lab until he makes a dramatic breakthrough and then immediately announces the results through a worldwide press conference.
D: The scientist seeks input and data from a wide range of people of different scientific backgrounds and then publishes all the data and results on the Internet so that all the collaborators can apply it to their individual research.
Answers
Answer:
Answer is uhhhhhhhhh
Explanation:
A??
The scientist collaborates with others to plan and carry out an experiment and then writes a paper that has a clear conclusion. He submits it to a professional journal for peer review, after which the results are presented publicly.
Answer:
ig A
Explanation:
6. Explain: Think back to the hamburger that was placed in the acid. Answer these questions about the
matter in the hamburger.
A. How can matter be arranged? Draw a diagram to illustrate the difference between atoms,
elements, and compounds.
Answers
An atom is the smallest possible component of an element, which makes it different from elements and compounds. Chemical reactions combine components to create compounds.
What exactly do chemicals consist of?A compound in chemistry is a material comprised of two or more separate chemical elements mixed together in a certain proportion. Chemical connections that are challenging to break are created when the elements interact with one another. Atoms share or exchange electrons, which leads to the formation of these bonds. A compound is a material that is produced chemically when two or more components come together. Ionic and covalent bonds are two common types of bonding that bind substances together to form compounds.
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On the Galapagos Islands, Darwin observed tortoises with domed and saddle-shaped shells. How did Darwin's observations of these tortoises help him form the theory of evolution by natural selection?
Answers
Answer:
He realized that the tortoises shells changed to better suit the environment they were living in
Not sure if this helped but I hope it did :)
human white blood cells are often multinucleated. how many chromosomes would be present in a white blood cell with two nuclei?
Answers
White blood cells with two nuclei have 46 chromosomes since most of our cells have two sets of chromosomes, making a total of 46 (or 23 pairs) in most cells.
Do human white blood cells frequently have several nuclei?Human white blood cells frequently have several nuclei (in other words, have more than one nucleus). What would the number of chromosomes be in a white blood cell with two nuclei. Depending on the gender, it differs.
Are there two chromosomes in humans?One of the twenty-three pairs of human chromosomes is known as chromosome 2. This chromosome is often found in two copies in humans. The second-largest human chromosome, chromosome 2, accounts for over 8% of the DNA in human cells and spans more than 242 million base pairs.
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consider a wildflower population with the following allele and genotype frequencies. frequency of the cr allele: p
Answers
The frequency of the cr allele in the wildflower population is represented by the variable "p."
In population genetics, allele frequency refers to the proportion of a specific allele within a population. In this case, the cr allele frequency is denoted as "p." Allele frequency can range from 0 to 1, with 0 representing the absence of the allele and 1 representing its complete presence in the population. The frequency of the cr allele provides valuable information for studying genetic diversity, inheritance patterns, and evolutionary processes within the wildflower population. Understanding allele frequencies helps researchers make inferences about genetic traits and their potential impact on the population's overall health and adaptation.
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a commonly performed exfoliative cytology procedure is a pap test for cervical cancer. the test involves scraping a small number of epithelial cells from the tip of cervix, which has the same type of epithelial tissue as the vagina. what kind of epithelial cells are being collected during a pap test?
Answers
Squamous epithelial cells are collected during a pap test.
Squamous cell tumor (SCC) is still a type of skin cancer that develops from epithelial keratinocytes but rather shows a few more degrees of transformation toward keratin formation. It’s the 1st most common type of skin cancer after basal cell carcinoma.
A squamous epithelial cell seems to be a vast flattened cell with a lot of cytoplasms and a small round nucleus in the center. Squamous epithelial cells are clinically insignificant, but they must be distinguished from other structural proteins.
Basal or squamous cell cancer of the skin may require removal through methodologies such as electrodesiccation but instead curettage, laser surgery, or Mohs surgery, with the reconstruction of something like the skin but rather surrounding tissue possible. Our surgeries are able to extract more tissue if the squamous cell cancer is aggressive.
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Propose that all three carbon atoms in glycerol is labeled with 14C. The labeled glycerol is allowed to undergo metabolism in the genetically modified liver cell, in which the triose phosphate isomerase is no longer functioning. Which of the following are most likely to be true?
a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell b. All six carbon atoms in glucose are radioisotope labeled in the genetically modified liver cell c. Both a and b d. Neither nor b
Answers
It can be explained that triose phosphate isomerase deficiency or a loss of the enzyme activity of triose phosphate isomerase may result in a biochemical disorder called Triose phosphate isomerase deficiency. The correct answer is a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell.
During glycolysis, triose phosphate isomerase is a crucial enzyme that catalyzes the conversion of dihydroxyacetone phosphate (DHAP) to glyceraldehyde-3-phosphate (G3P).
a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell.
b. All six carbon atoms in glucose are radioisotope labeled in the genetically modified liver cell.
c. Both a and b.
d. Neither nor b.
The answer is a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell. When all three carbon atoms in glycerol are labeled with radioisotope 14C and the labeled glycerol is metabolized in the genetically modified liver cell, triose phosphate isomerase is inactive.
Therefore, glyceraldehyde-3-phosphate (G3P) is not converted to dihydroxyacetone phosphate (DHAP), and the cell accumulates G3P. This causes the G3P to enter the gluconeogenesis pathway and be transformed into pyruvate.The only carbon atom that is labeled with radioisotope 14C is the number one carbon atom of pyruvate. In the pyruvate molecule, the second and third carbon atoms are derived from carbon dioxide (CO2), which is not derived from glycerol.
Therefore, the correct answer is a. All three carbon atoms in pyruvate are radioisotope labeled in the genetically modified liver cell.
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What prevents backwards flow of urine from the bladder into the ureters?.
Answers
The ureters enter the bladder obliquely and are surrounded by a muscular valve called the ureterovesical junction, which prevents the backwards flow of urine from the bladder into the ureters.
The ureters are muscular tubes that carry urine from the kidneys to the bladder. They enter the bladder obliquely, meaning that they do not enter the bladder at a right angle but at an angle that causes the ureter to be compressed when the bladder fills with urine.
Additionally, the ureterovesical junction, or the point at which the ureter meets the bladder, is surrounded by a muscular valve that contracts to prevent urine from flowing backwards into the ureters.
This valve, called the vesicoureteral valve, is made up of smooth muscle and is under autonomic control, meaning that it is regulated by the nervous system. The combination of the oblique angle of the ureter and the muscular valve at the ureterovesical junction helps to ensure that urine flows in one direction, from the kidneys to the bladder, and does not flow backwards into the ureters.
However, in some cases, such as with vesicoureteral reflux, the valve may not function properly, leading to the backwards flow of urine and potentially causing urinary tract infections and other complications.
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How many carbons are found in a glucose molecule?
Answers
Answer:
there are six carbon atoms
Answer:
there are six carbon atoms
Which biome has the least precipitation?
A. rain forest
B. grassland
C. tundra
D. taiga
Answers
Answer: Option C.
Tundra
Explanation:
Tundra is a biome that has low Precipitation. Precipitation is a form of water that fall from the atmosphere to the Earth surface. Which could be inform of snow, sleet e.t.c.
Tundra is the coldest of all types of biomes. It has low temperature, little precipitation,low nutrients. It is located near the north Pole of the Earth. It is characterized by permafrost, permanent frozen layer on its surface.
Which feature forms when magma cools beneath earths surface?
Answers
Answer:
batholiths
Explanation:
just got it right
Answer: C. Batholiths
the following sensory processes is most activated when a person iswatching a silent movie?
A. thermoreception
B. chemoreception
C. mechanoreception
D. photoreception
Answers
The answer is D. Photoreception. When a person is watching a silent movie, their eyes are focused on the visual images displayed on the screen.
This visual information is received by the photoreceptor cells in the eyes, which convert the light waves into electrical signals that are sent to the brain. The brain then interprets these signals as images, allowing the person to see and understand what is happening on the screen. Thermoreception, chemoreception, and mechanoreception are sensory processes related to temperature, taste, and touch respectively, and are not involved in watching a silent movie.
Therefore, the most activated sensory process when watching a silent movie is photoreception.
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Which synthetic sweetener should not be consumed by individuals suffering from phenylketonuria (PKU)
Answers
Aspartame is a synthetic sweetener that is commonly used in diet sodas, gum, and other sugar-free products. However, it should be avoided by individuals with PKU because it contains phenylalanine.
Individuals with phenylketonuria (PKU) have a metabolic disorder that prevents them from properly breaking down an amino acid called phenylalanine. Phenylalanine is found in protein-containing foods, as well as in some artificial sweeteners such as aspartame.
Consuming aspartame can cause a buildup of phenylalanine in the body, leading to health complications for those with PKU. These complications can include intellectual disability, seizures, and behavioral problems. Therefore, it is important for individuals with PKU to carefully monitor their intake of phenylalanine, including avoiding foods and drinks that contain aspartame.
Fortunately, there are other synthetic sweeteners that can be safely consumed by individuals with PKU. For example, sucralose (Splenda) and stevia (Truvia) are two common sugar substitutes that do not contain phenylalanine and are safe for individuals with PKU to consume. It is important for individuals with PKU to work with their healthcare provider and a registered dietitian to develop a specialized meal plan that meets their unique nutritional needs while avoiding harmful substances like phenylalanine.
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homeostasis refers to the ability of the body to maintain a stable internal environment despite changes in external conditions true or false ?
Answers
The answer is TRUE
.......................
Answer:
It's true
Explanation:
1-What are the main human impacts on the environments and propose microbiological solutions to reduce such impacts on the environment in details. (25 points) 2-How can microorganisms get adapted to th
Answers
Answer:
Explanation:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. These negative impacts can affect human behavior and can prompt mass migrations or battles over clean water.
humans have a diploid number (2n) of 46. which of the following statements best predicts the consequence if meiosis did not occur during gametogenesis?
Answers
Humans have a diploid number ("2n" ) of 46 the chromosome number would double with each generation. The correct answer is (B)
If meiosis did not occur during gametogenesis, the chromosome number in the gametes would not be halved, which would lead to the doubling of the chromosome number with each generation.
This would result in an increase in the amount of genetic material, which could lead to several detrimental consequences, including embryonic lethality, abnormal development, and genetic disorders. The chromosome number would double with each generation. Meiosis is necessary to reduce the chromosome number by half, producing haploid gametes that can fuse during fertilization to restore the diploid number in the zygote.
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Full Question: Humans have a diploid number ("2n" ) of 46. Which of the following statements best predicts the consequence if meiosis did not occur during gametogenesis?
(A) The gametes would get larger from one generation to the next.
(B) The chromosome number would double with each generation.
(C) The chromosome number would be halved with each generation.
(D) The chromosome number would triple with each generation.
species in fragments of habitat have higher extinction rates partly because smaller fragments
Answers
Smaller fragments of habitat contribute to higher extinction rates for species due to limited resources, increased edge effects, decreased connectivity, and increased vulnerability to stochastic events.
Smaller fragments of habitat can contribute to higher extinction rates for species for several reasons. Firstly, smaller fragments provide less habitat area, limiting the available resources and space for populations of species. This can lead to increased competition for limited resources, reduced genetic diversity, and decreased population sizes, making species more vulnerable to various threats.
Secondly, smaller fragments often have higher edge-to-area ratios, resulting in increased exposure to edge effects. Edge effects occur where the interior conditions of a habitat fragment differ from its boundaries, leading to changes in microclimate, increased predation, and invasion by non-native species. These altered conditions can negatively impact species adapted to the interior of intact habitats, further increasing their extinction risk.
Additionally, smaller fragments may suffer from decreased connectivity and isolation, limiting gene flow between populations. Restricted gene flow can lead to inbreeding and reduced genetic diversity, making populations more susceptible to genetic disorders and less adaptable to environmental changes.
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6
The process of making cloth through interlacing the threads on a loom is called
sewing
C. crocheting
b. embroidery
d. weaving
a
Please select the best answer from the choices provided
Ο Α
B
ОС
OD
Mark this and return
Save and Exit
Next
Submit
Answers
which of the following phyla is most diverse in terms of number of named species?
Answers
The animal kingdom is classified into around 36 phyla, each with unique characteristics and features. Among these, the phylum with the highest number of named species is the arthropod phylum.
Arthropods are invertebrate animals with an exoskeleton, jointed limbs, and a segmented body. They are incredibly diverse in terms of their adaptations, habitats, and behaviors. Arthropods include insects, spiders, crustaceans, and many other groups. In fact, arthropods make up over 80% of all described animal species. The sheer number of arthropod species is staggering, with estimates ranging from 1 to 10 million. This diversity can be attributed to their ability to occupy virtually every environment on Earth, from deep ocean trenches to high mountain peaks. Overall, the arthropod phylum stands out as the most diverse and fascinating group of animals on the planet.
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what explains the high number of prescriptions that have been written for the selective serotonin-reuptake inhibitors (ssris), such as prozac?
Answers
Selective serotonin reuptake inhibitors (SSRIs) are the most commonly prescribed antidepressants. They can ease symptoms of moderate to severe depression.
The most popular antidepressants used are selective serotonin reuptake inhibitors (SSRIs). They are generally safer than other types of antidepressants, can lessen the symptoms of mild to severe depression, and frequently have fewer adverse effects.Serotonin levels in the brain are raised by SSRIs to treat depression. One of the neurotransmitters (chemical messengers) that convey signals between brain nerve cells is serotonin (neurons).Serotonin reuptake (reabsorption) into neurons is prevented by SSRIs. This increases the amount of serotonin that is available to enhance neural communication. Because they mostly impact serotonin and not other neurotransmitters, SSRIs are known as selective neuroleptics.SSRIs can be used to treat illnesses besides depression, like anxiety disorders.
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In what ways do consensus trees help researchers explore evolutionary relationships? (check all the right answers)
Consensus trees summarize the similarities among all the most parsimonious phylogenetic trees.
Consensus trees show unexplained relationships among species using polytomies.
Consensus trees identify species that do not belong in the phylogenetic trees being studied.
Consensus trees remove any clades with species that have shared derived characters.
Answers
Consensus trees show unexplained relationships among species using polytomies. Hence, the correct option is B.
What are consensus trees?
Consensus trees are a type of tree diagram used in phylogenetic to represent the overall relationships between species.
They are created by combining multiple different trees into a single tree, with the goal of using the most widely agreed upon relationships between species based on available data.
Consensus trees are typically created by taking a set of individual trees called “source trees”, and finding the most commonly occurring relationships among the species in those trees.
These trees are used to make inferences about evolutionary processes and relationship between species. Therefore, the correct option is B.
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before the red bone marrow takes over completely, two other fetal organs contribute to RBC production; these are the
Answers
The production of red blood Cells (RBCs) begins in the yolk sac of the developing fetus. Initially, this organ is the main site of RBC production during the early part of pregnancy.
The liver and spleen take over the role of RBC production during the middle of the pregnancy. The liver produces numerous small immature RBCs, while the spleen produces fewer, larger RBCs. At around week 18 of gestation, the fetal red bone marrow begins to take over the role of producing RBCs, becoming the primary source for the remainder of the pregnancy and into adult life.
During this transition period, both the yolk sac, liver, and spleen continue to contribute to the production of RBCs. This allows for an increase in the red blood cell production needed to support the rapid growth and demands of the fetus.
RBCs produced by each of the organs differ slightly in size, shape, and lifespan. The different components of the RBC production system ensure that the fetus is able to meet its rapidly increasing demands during pregnancy.
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studies in the general population suggest that probiotics are beneficial to the immune system, but studies in athletes have not been conclusive.
Answers
Studies in the general population suggest that probiotics are beneficial to the immune system, but studies in athletes have not been conclusive. Further research needs to be done in this field.
Probiotics are live bacteria and yeasts that are good for your health, particularly your digestive system. Probiotics are commonly known as 'good' or 'friendly' bacteria. They're found in various foods and dietary supplements and have a variety of health benefits.
The immune system is a complicated network of cells, tissues, and organs that work together to protect the body from disease-causing organisms (pathogens) like viruses, bacteria, and parasites. The immune system identifies and destroys these pathogens while also eliminating damaged cells and tissues from the body.
Probiotics can help to boost your immune system by promoting the growth of beneficial bacteria in your gut. They can also enhance the production of immune cells and antibodies, which aid in the prevention of infection and disease.The immune system of athletes is subjected to various stresses, including intense training, travel, and competition.
As a result, there is a need to look into the effect of probiotics on the immune system of athletes. While studies in the general population suggest that probiotics are beneficial to the immune system, studies in athletes have not been conclusive. Some studies have shown that probiotics can enhance the immune system of athletes, while others have found no effect.
Therefore, further research is needed to determine the impact of probiotics on the immune system of athletes.
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One of the following viruses is not associated with blood
infection. Which?
Rotavirus
HIV
Hepatitis C
Hepatitis B
Answers
Among the viruses mentioned, Rotavirus is not associated with blood infection.
Rotavirus is primarily known to cause gastroenteritis, which is an infection of the digestive system. It spreads through the fecal-oral route, primarily through contaminated food or water. Rotavirus affects the lining of the small intestine, leading to symptoms like diarrhea, vomiting, and fever, particularly in infants and young children.
On the other hand, HIV (Human Immunodeficiency Virus), Hepatitis C, and Hepatitis B are blood-borne viruses. HIV is primarily transmitted through certain body fluids, including blood, semen, vaginal fluids, and breast milk. It attacks the immune system, leading to acquired immunodeficiency syndrome (AIDS).
Hepatitis C and Hepatitis B are both forms of viral hepatitis that can infect the liver. They are primarily transmitted through blood-to-blood contact, such as sharing contaminated needles, receiving infected blood transfusions, or having unprotected sexual contact with an infected person.
In summary, while Rotavirus causes gastroenteritis, HIV, Hepatitis C, and Hepatitis B are associated with blood infection.
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Which of the following are TRUE regarding features of the brain in women and men? (Select all that apply.)
The male brain has more folds and more surface brain tissue than the female brain.
The male brain is smaller than the female brain.
There are no size differences between female and male brains.
The female brain has more folds and more surface brain tissue than the male brain.
The female brain is smaller than the male brain.
Answers
Men's brain has more folds and surface tissue than women's brain.
The following is TRUE regarding brain features in women and men:
1. Men's brains have more folds and surface tissue than women's brains.
2. There are no size differences between female and male brains.
3. The human brain is divided into left and right sides.
4. The left side of the brain is dominant in tasks that involve logic, language, and reasoning.
5. The right side of the brain is dominant in jobs that involve creativity, imagination, and intuition.
6. The female brain has more folds and surface tissue than the male brain.
These differences may be due to genetics, environment, and culture.
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what potentially negative consequences might some biofuels have that prevent them from being a total replacement for fossil fuels? y
Answers
Corn and soy-based biofuels use up crops that otherwise would be used for food might some biofuels have that prevent them from being a total replacement for fossil fuels.
The require details about biofuels is mentioned in below paragraph.
Biofuels, which include biodiesel and bioethanol, are liquid or gaseous transportation fuels produced from biomass. In the EU's transportation sector, they act as a renewable substitute for fossil fuels, lowering greenhouse gas emissions and enhancing supply security. Biofuel is a type of fuel that is created quickly from biomass, as opposed to the lengthy natural processes that result in the development of fossil fuels like oil. Some people confuse the terms biomass and biofuel because biomass can be used directly as fuel (such as wood logs).
The term "biofuel," however, is typically only used to refer to liquid or gaseous fuels utilized in transportation, is a substitute of fossil fuel.
(COMPLETE QUESTION)
What potentially negative consequences might some biofuels have that prevent them from being a total replacement for fossil fuels?
Question 16 options:
Biofuels create carbon dioxide, contributing to climate change.
There are no negative consequences to the use of biofuels.
Corn and soy-based biofuels use up crops that otherwise would be used for food.
Biofuels produce toxic gases when burned.
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Is Vanilla Silk Milk?
Answers
Answer:
Yes it is milk.
Explanation:
The main component would be the milk, the other 2 would be silk and vanilla to create the substance! Since vanilla is a main component !! It can be classified as milk !!
Answer: yes vanilla milk is silky
Explanation:
For it to be silky it needs to have
A serving of Silk Vanilla Soymilk has 6.25 grams.
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ilc2 suppression by regulatory t cells attenuates airway hyperreactivity and requires icos:icos-ligand interaction
Answers
In your statement, you mentioned how regulatory T cells (Tregs) control type 2 innate lymphoid cells (ILC2s) and how this affects airway hyperreactivity.
It implies that the interaction between the inducible T cell co-stimulator (ICOS) molecule and its ligand is necessary for the repression of ILC2s by Tregs, which helps to lessen airway hyperreactivity.T cells, including Tregs, display the co-stimulatory molecule ICOS on their surface, and antigen-presenting cells often contain its ligand. immunological responses are controlled and immunological homeostasis is maintained in part by the ICOS:ICOS-ligand relationship.Tregs have the ability to inhibit the activity of ILC2s, which are implicated in allergic and inflammatory reactions in the airways, when there is airway hyperreactivity. Antigen-presenting cells' ICOS-ligand interacts with ICOS on Tregs to deliver the essential co-stimulatory signal for Tregs to successfully reduce ILC2 function, hence lowering airway hyperreactivity.
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What’s the name of the first human species?
Answers
Answer:
Homo erectus. it first spread through africa and eurasia.
pls mark brainliest
Explanation:
Answer:upright man
Explanation:Upright man
Homo erectus
Homo erectus appeared about 2 million years ago and, in several early migrations, it spread throughout Africa (where it is dubbed Homo ergaster) and Eurasia. It was likely the first human species to live in a hunter-gatherer society and to control fire
a cell has eight chromosomes in g1 of interphase. how many chromosomes will be found in anaphase of mitosis?