DNA polymerases ____

a. unwind DNA
b. add new nucleotides to a strand
c. catalyze carbon bonding
d. assemble new strands in both direction
e. repairs DNA


ANSWER: b

Biology & Microbiology

You might also like to view...

Which of the following best describes the Green Revolution?

A. the use of modern technology to increase crop production B. the use of more ecologically friendly agricultural pesticides C. the industrial production of phosphate fertilizers D. the use of more sustainable agricultural techniques E. All of the answer options are correct.

Biology & Microbiology

The response to touch by such plants as the sensitive plant is due to

A. changes in water content of cells. B. auxin displacement in the touched area. C. effect of gibberellins on the area affected. D. sensitive responder cells.

Biology & Microbiology

The movement of both oxygen and carbon dioxide in the body is accomplished by

a. exocytosis and endocytosis. b. bulk flow. c. osmosis. d. diffusion. e. facilitated diffusion.

Biology & Microbiology

In response to the presence of endotoxin, phagocytes secrete tumor necrosis factor. This causes

A) the disease to subside. B) a decrease in blood pressure. C) a fever. D) a gram-negative infection. E) an increase in red blood cells.

Biology & Microbiology