What phenomena tends to increase genetic variation in a population?
A. Gene flow
B. Population bottleneck
C. Assortative mating
D. Genetic drift
E. Founder effect
A. Gene flow
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The C-terminus of a polypeptide always contains
A. a stop codon. B. a carboxyl group C. an amino group. D. carbon dioxide. E. None of the answers are correct.
Which of the following statements describes an
electron transfer chain? a. It generates energy from carbohydrates. b. Cells use it to dispose of excess electrons. c. It utilizes ATP to synthesize nutrients. d. It transfers energy, stepwise, from one compound to another. e. It requires activation by oxygen.
The marine euphotic zone is comparable to the ____ zone of lakes
a. profundal b. intertidal c. abyssal d. littoral e. limnetic
Name the innate defense that involves vasodilation and increased vascular permeability, resulting in the influx of blood, blood cells, and fluid to an area of injury or infection.
A. Inflammation B. Complement activation C. Activation of mononuclear phagocytic system D. Activation of NK cells