Question

DNA helicases synthesize short DNA molecules important for

A. the function of DNA polymerase.
B. seal gaps between DNA fragments.
C. break hydrogen bonds between complementary nucleotides.
D. assist in recognition of promoters during transcription.
E. proofread DNA molecules.

Answer 1

C. break hydrogen bonds between complementary nucleotides; the job of DNA helicases is to separate the two strands of a DNA molecule to allow DNA pol III to do its job in synthesizing the complementary DNA strands.