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A: Introduction Biotic components are living organisms in an ecosystem that have a direct or indirect…
Q: For each of the following scenarios, identify what microevolutionary process is occurring (be as…
A: 1. The evolutionary mechanism that is in charge of this phenomenon is simply gene flow and…
Q: the kinetochore of a metaphase chromosome is a. The ends of the chromosome that are duplicated by…
A: Kinetochore of a metaphase chromosome :-
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A: The living, self-reproducing structural and functional unit of all living organisms is called cell.…
Q: Which is the expected outcome following the deacetylation of histones?
A: Ans - a) Coiling of chromatin, preventing it from being accessed by the transcriptional machinery.…
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A: Organ system is the system in which group of organs work together to carry out more functions.
Q: For which set of fitnesses is one of the alleles additive and beneficial? WAA = 1, WAB = 1.2, WBB =…
A: Polygenic traits lead to additive alleles, that indicates that multiple genes encode for the…
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A: Ecology is the study of the interactions between organisms and their surroundings, an ecosystem is…
Q: 1. which of the following blood type produces IgG? a. Type A b. Type B c. Type AB d. Type O e. A and…
A: Immunoglobulin G (IgG) is a common type of antibody present in body fluids.It helps to protect…
Q: If you have a pea plant with a dominant phenotype (like purple flowers) why might you NOT know its…
A: Genes are the specific codes of these amino acids which produces a protein and alleles is the…
Q: what does a oogenesis concept map with 10 words or phrases look like?
A: oogenesis concept map :-
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A: Vitamins are a collection of chemical substances that are absolutely necessary for the human body's…
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Q: -The form ofa body structure is related to its function. Given this, how can you tell that Pakicetus…
A: Evolution is a natural process by which living beings adapt themselves according to the environment…
Q: My Avya mouse is brownish because a) the CpG island with the transposon is unmethylated. b) it was…
A: My Avya mouse is brownish because Ans : a) the CpG island with the transposon is unmethylated.
Q: In some genes, like blood type, two alleles are expressed at the same time. What do we call this?…
A: Genes are fundamental units of heredity. Alleles are two contrasting characters of a gene.
Q: 3. Draw a simple sketch of a transitional fossil that might link feathered, tree-climbing reptiles…
A: Comparative anatomy is the study of the "similarities and dissimilarities" between various objects.…
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A: ANSWER;- True Explain;- yes adulthood bones are completely fixed and unchangeable. The skeleton of a…
Q: 27-28. A. Metacentric B. Submetacentric C. Acrocentric D. Telocentric
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Q: In Dogs, short tail (t) is recessive to long tail (T). A true-breeding (homozygous) short-tailed…
A: From the question, the genotype is said to be homozygous for both parents, hence TT X tt F1= All Tt…
Q: Name one in earth sphere with an abiotic component. A) Give one abiotic component in #1 B) What…
A: The two fundamental components that shape the environment are biotic and abiotic. All live creatures…
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A: Mitochondria contain the inner and outer membranes, separated by a space. Both the inner and outer…
Q: What term did Lamarck use to explain how new species emerged?
A: Introduction Lamarck was a French biologist who is best known for his Theory of Inheritance of…
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Q: Does the blood have microbiota? Thoroughly defend your answer (both ways can be defended).
A: Blood have microbiota.
Q: f conditions were ideal, and the wine production continued, what would be most likely to cause…
A: Fermentation is the process which leads to formation of alcohol. Fermentation is usually carried out…
Q: rth to the age of eight years. A concordance of 1 indicates that the twins are identical in height.…
A: Fertilisation is the process by which two haploid gametes combine to form a single diploid cell…
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A: A trait is a characteristic that is unique for particular individual . In this , trait is cleft chin…
Q: The intracellular fluid has: high levels of K+, low levels of Na+, and many large anions low levels…
A: Intracellular fluid is the cytosol within the cell.It contains water, dissolved solutes and…
Q: Explain how you could use a test cross to help you determine the genotype of the purple flower with…
A: When attempting to determine if an organism is heterozygous or homozygous for a dominant trait, it…
Q: How many human sperm cells are in the typical race to reach and fertilize a human ovum? 200 to 300…
A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…
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A: Photosynthetic creatures, also called photoautotrophs, are photosynthesis-capable organisms. Higher…
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Q: Viral meningitis is O usually less severe than bacterial meningitis usually more severe than…
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Q: How are nucleotides connected to each other in a single strand of DNA? A. The nitrogenous bases…
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Q: When is Kato-Thick method recommended to perform
A: Background The Kato-Katz thick smear (Kato-Katz) is the diagnostic method recommended for monitoring…
Q: What processes during the cell cycle ensures appropriate cell growth and rates of division?…
A: The cell cycle, also known as the cell division cycle, is a series of processes that occur in a cell…
Q: explain the difference between anaphase in mitosis and anaphase (1 and 2) in meiosis.
A: Anaphase of mitosis: Anaphase is the stage during which the centromere splits and the chromatids…
Q: QUESTION 3 Some hormones bind to ion channels on neurons and cause them to open. This would be an…
A: Hormones chemical messenger present in the blood circulation. hormones are secreted by glands…
Q: How did the back mutation in hisG affect the protein produced by this gene?
A: Back mutation or backward mutation is a kind of mutation which leads to reversion of the mutated…
Q: How can we take good care of our endocrine system?
A: The endocrine system is a communication system that regulates distant target organs through feedback…
Q: Based on this table, the doubling time for this species is
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Q: Define the term allele (try to put it in your own words if you can!). This would be a good time to…
A:
Q: Looking at hairline (widow's peak = H) and ear shape (ear lobes = E)... If a man who is HhEe has…
A: Widows peak is a dominant trait that is controlled by a dominant allele H. Therefore it will be…
Q: Asexual reproduction does exist with numerous unique adaptations, but it is normally sexual with…
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Q: What does co-dominance mean? Explain how co-dominance is different from incomplete dominance
A: Co-dominance: Is a type of relationship between 2 alleles, where characteristics denoted by both the…
Q: Briefly describe the “central dogma” of molecular biology and the mechanisms and molecules involved
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- What is the function of the hormone erythropoietin? a. stimulates production of red blood cells b. stimulates muscle growth c. causes the fight-or-flight response d. causes testosterone productionWhich of the following gland secretes insulin?A. Pituitary B. Thyroid C. Pancreas D. OvariesWhich of the following hormones is a steroid? A. Estrogen B. Glucagon C. Insulin D. Oxytocin
- Which of the following is not a hormone? a. prolactin b. thymosin c. iodine d. natriuretic peptide e. insulin-like growth factorWhich hormone acts as an antagonist (has an opposite effect) to parathyroid hormone? Select one: a. Calcitonin b. PRL c. Thyroxine d. SomatotropinGrowth hormone therapy has been widely used to help people with dwarfism and has helped certain individuals to become taller. Which hormone would supplement or enhance the effects of hGH? Select one: a. calcitonin b. cortisol c. inhibin d. parathyroid
- Which hormone is responsible for direct activation of PEPCK by phosphorylation? a. prolactin b. glucagon c. parathyroid hormone d. insuluin-like growth factor 1 e. calcitriolWhich of the following correctly describes the functions of the endocrine system? a. Transport of blood through the body and through the lungs b. Regulation of body functions through hormone secretion c. Regulation of body functions through nerve impulses d. Immunity and returning extra tissue fluid to the blood vesselsWhich of the following hormones increases blood calcium levels?a. calcitonin b. thyroxine (T4)c. parathyroid hormone d. mineralocorticoid
- Which of the following pair of hormones do NOT have antagonistic functions? A. parathyroid hormone - calcitonin B. insulin - glucagon C. epinephrine - norepinephrine D. cortisol - insulin O C and D B and C O A and C O D O A and BWhich of the following hormones is/are affected when the walls of the aorta and carotid arteries are stretched? a. epinephrine b. parathyroid hormone c. renin d. thyroid hormoneWhich of the following is a product of the rate limiting step of steroid hormone synthesis? a. Estradiol b. Corticosterone c. Progesterone d. Pregnenolone