The model that assumes that evolution proceeds with slow successive change in a given evolutionary line is referred to as
A. punctuated equilibrium.
B. the sympatric model.
C. successive descent model.
D. gradualism.
E. the allopatric model.
Answer: D
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Atractyloside is a poison that inhibits the transport of ADP from the cytosol across the mitochondrial membranes and into the mitochondrial matrix. The direct effect of this drug is to stop ATP synthesis because:
A. ADP is a necessary substrate for the reaction catalyzed by ATP synthase. B. it prevents proton pumping across the inner mitochondrial membrane. C. it prevents electron transfer to O2. D. it prevents electron transfer from NADH to complex I.
Individuals with extra or missing copies of some of their chromosomes are called ____
a. polyploids b. haploids c. aneuploids d. euploids e. diploids
Which of the following was a scientist around the time of Charles Darwin?
A. Wallace was an evolutionary biologist developing hypotheses about evolution. B. Lyell was a geologist that was examining the age of Earth. C. Lamark was a French naturalist that first explored the idea of evolution. D. All of the above were scientists around the time of Charles Darwin.
What is the composition of the genome of prokaryotes?
a. a single linear DNA molecule b. a single circular DNA molecule c. many linear DNA molecules d. a single DNA molecule that may be circular or linear