The enzyme responsible for proofreading a growing DNA strand and for replacing mismatched nucleotides is
A. DNA polymerase.
B. helicase.
C. topoisomerase II.
D. DNA ligase.
E. DNA replicase.
A
Biology & Microbiology
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What type of thinking is required?
What will be an ideal response?
Biology & Microbiology
At what point(s) on the graph doess the growth of the prey population = 0?
a. At the single point where the prey isoclines intersects the ellipse. b. at the two points where the prey isoclines intersects the ellipse. c. At the two points where the predator isoclines intersects the ellipse. d. None of the above.
Biology & Microbiology
Which of the following is used as an electron carrier by living organisms?
A. NADP+ B. Ubiquinone C. NAD+ D. All of the choices are correct.
Biology & Microbiology
A population with zero growth is indicated by
a. A. b. B. c. C. d. D. e. none of these.
Biology & Microbiology