How does DNA polymerase differ from RNA polymerase?
A. Only DNA polymerase uses a template DNA strand to direct synthesis of a new nucleotide strand.
B. Only DNA polymerase has a proofreading ability.
C. Only RNA polymerase requires a primer.
D. Only RNA polymerase adds new nucleotides to the 3' end of a growing chain.
Answer: B
You might also like to view...
Four of the five answers listed below are related by their participation in water movement through plants. Select the exception
a. hydrogen bonds b. transpiration c. cohesion d. tension e. phytoremediation
As temperatures in the Arctic rise, which of the following changes may occur?
A. Tundra will be replaced by taiga. B. Taiga will be replaced by tundra. C. Temperate forest will be replaced by taiga. D. Tundra will be replaced by desert. E. Taiga will be replaced by temperate rain forest.
Individual B cells produce
A) several different types of antibodies. B) the antibodies specified by its constant region gene. C) their own unique antibody. D) an infinite diversity of antibodies.
Lipid-soluble molecules would be expected to cross the cytoplasmic membrane by which of the following processes?
A) osmosis B) facilitated diffusion C) diffusion D) active transport E) group translocation