New species evolve from preexisting species by the accumulation of
A. proteomes.
B. genetic mutations.
C. reproductive events.
D. metabolic events.
E. developmental events.
Answer: B
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The effect of increasing the flow of Na+ ions into a neuron at rest (-70 mV initially) would be termed
A. hyperpolarization. B. depolarization. C. repolarization. D. active transport. E. None of the choices are correct.
Which protein is defective in cases of Duchenne muscular dystrophy?
a. dystrophin b. albumin c. fibrillin d. fibrinogen e. fibrin
Which structure acts like a motor for the bacterial flagellum?
a. hook b. capsule c. filament d. basal body
e. protein ringsWhich statement is true about the relationship between viral infection and cancer?
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