Which enzyme adds new nucleotides to the end of a growing strand?
A. gyrase
B. polymerase
C. helicase
D. endonuclease
E. ligase
Answer: B
You might also like to view...
Metabolomics is based on the premise that ____
a. plant mitochondria are unique to harnessing ATP to develop alternative energy sources b. plant chloroplasts are unique to harnessing light for energy c. harnessing the 200,000 to 1 million different chemicals produced by plant metabolism for human needs is increasingly important d. plant metabolism is difficult to manipulate e. plant metabolism is simple to manipulate
A polysome is
a. the combination of a large and a small ribosome subunit. b. the complex where mRNA splicing occurs. c. the assembly at a promoter at the start of transcription. d. an mRNA with multiple ribosomes attached. e. the complex that puts a poly(A) tail on an mRNA.
A hydrostatic skeleton consists of _____
a. a fluid in an enclosed space b. hardened plates at the surface of a body c. internal hard parts d. none of these
Why do the veins of the legs require valves in order to function?
What will be an ideal response?