In DNA replication, primase is responsible for:
A. removal of a terminal nucleotide in a polynucleotide chain.
B. connecting two fragments of DNA together.
C. cutting DNA at a site?specific sequence.
D. producing Okazaki fragments.
E. synthesizing an RNA primer for DNA synthesis.
Ans: E. synthesizing an RNA primer for DNA synthesis.
You might also like to view...
When cells stop responding to normal controls over
growth and division they a. begin to form a tumor. b. produce a malignancy. c. start to die. d. kill surrounding cells. e. produce scar tissue.
Thermogenin in the inner membrane of brown fat cell mitochondria does all of the following except
A) decrease the proton gradient. B) uncouple ATP synthesis from electron transport. C) generate heat. D) decrease ATP synthesis. E) increase ATP synthesis.
In order for a spontaneous mutation to enter the general population, it must occur
A. in a female. B. after reproduction. C. in the gonads. D. before the individual becomes sexually mature.
mRNAs that lack an in-frame stop codon are degraded by the process of
a. nuclear surveillance. b. an miRNA decay pathway. c. nonsense-mediated decay (NMD). d. no-go decay (NGD). e. nonstop decay (NSD).