As unwinding of the helix occurs during DNA replication, tension referred to as ________ is created ahead of the replication fork. This tension is relieved by the action of ________

A) processivity; primase
B) processivity; DNA gyrase
C) supercoiling; DNA gyrase
D) supercoiling; single-stranded binding proteins
E) supercoiling; DNA helicase


Answer: C

Biology & Microbiology

You might also like to view...

What benefit do muscle cells gain from exercise? a. Increases resistance to fatigue

b. Increases the number of mitochondria within the cells. c. Increases blood flow. d. Promotes healthy bones. e. All are benefits of exercise.

Biology & Microbiology

The defense response against a mismatched transfusion is called ____

a. precipitation b. immunization c. agglutination d. ABO typing e. transfusion allergy

Biology & Microbiology

Which one of the following is the lowest level of biological organization in which evolutionary change can occur?

A) cell B) organism C) community D) population

Biology & Microbiology

What structure is produced during meiosis I in the male?

A. secondary spermatocyte B. spermatogonium C. primary oocyte D. immature sperm E. late spermatid

Biology & Microbiology