Which of the following does not have an environmental factor that affects the distribution of the phenotype?

a. phenylketonuria
b. skin color
c. height
d. Marfan syndrome


d. Marfan syndrome

Biology & Microbiology

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The process by which haploid cells are produced from diploid cells is called

A. sexual reproduction. B. mitosis. C. fertilization. D. meiosis. E. reduction.

Biology & Microbiology

The final step of the citric acid cycle oxidizes malate to oxaloacetate and reduces NAD+. What is the purpose of this

step?

a. to replenish the supplies of NAD+ b. to replenish free CoA c. to regenerate oxaloacetate to attach another acetate molecule d. to produce ATP by substrate-level phosphorylation e. to produce ATP by oxidative phosphorylation

Biology & Microbiology

Ammonia, a nitrogen containing-waste compound found in the blood is a waste product of ____ breakdown

a. carbohydrate b. protein c. lipid d. mineral e. vitamin

Biology & Microbiology

The bones in the forelimbs of a mammal

a. can often be traced to a common ancestor. b. offer no evidence to support the theory of evolution. c. perform the same function no matter which species they are in. d. may exhibit either analogy or homology but not both when compared to the forelimb of another animal. e. show convergence with some invertebrate structures.

Biology & Microbiology