Which of the following is a correct comparison between RNA polymerase holoenzyme that functions in transcription and the primase enzyme that functions in DNA replication?
A. Both enzymes synthesize DNA.
B. Both enzymes are composed of RNA.
C. Both enzymes synthesize RNA.
D. Both enzymes are bound by sigma factor.
Answer: C
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The Hominidae taxon includes ____
a. only humans b. only humans and chimpanzees c. gorillas, chimpanzees, and humans d. gibbons, orangutans, gorillas, chimpanzees, and humans e. new world monkeys and old world monkeys
A decrease in relative abundance of a species can lead to
a. an increase in predator avoidance. b. replacement species. c. a change in ecosystem structure. d. rapid growth in the depressed population. e. greater ecosystem stability.
The five-toed limb of stem reptiles was modified into a limb suitable for digging. This is an example of ____
a. convergent evolution b. morphological divergence c. analogous evolution d. morphological convergence e. distal modification
Which of the following are needed to form a triaclglycerol molecule?
A) 3 fatty acid molecules B) 3 carbon rings C) 3 phosphate groups D) 3 glycerol molecules E) 3 trans fats