Hamilton's Rule is a calculation of the strength in a population of
A. sexual selection.
B. kin selection.
C. natural selection.
D. genetic relatedness.
E. group selection.
B. kin selection.
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The enzyme used to break down fructose-1,6-bisphosphate into two trioses is called
A) hexokinase. B) phosphoglucoisomerase. C) triose phosphate isomerase. D) enolase. E) aldolase.
Hemophilia A is an X-linked recessive genetic condition. In humans it is due to a mutation in the F8 gene, which encodes a protein called coagulation factor VII. Coagulation factors are proteins important in blood clotting. Individuals with hemophilia, when injured, bleed longer than a normal, healthy individual; the inability to normally clot blood can be life threatening. Hemophilia is much more common in males than in females. Which of the following does NOT explain why this is so?
A. A female with one defective allele makes enough normal coagulation factor VII to clot blood and will not have hemophilia A B. Males are hemizygous for the F8 gene, so they will have hemophilia A if they have one defective allele C. Females have to receive a defective allele from both their mother and their father to get hemophilia A D. Males have to receive a defective allele only from their father to get hemophilia A
Where does the C4 cycle get its name?
A) It is a four-step process. B) The first product in the cycle has four carbons. C) PEP is a four-carbon molecule. D) Only four carbons are used in the cycle. E) Four CO2 molecules are released.
Biochemical tests are useful to microbiology because
A) they can be used to identify microbes. B) they can be used to detect metabolic end-products, intermediates, or particular enzymes. C) they can be used to identify potential pathogens in clinical samples. D) they can be used to identify microbes and to identify potential pathogens in clinical samples and they can be used to detect metabolic end-products, intermediates, or particular enzymes. E) they can be used to identify microbes and to identify potential pathogens in clinical samples.