In Transcription, the Energy to Attach Each Successive Ribonucleotide to the Growing

Multiple Choice

In transcription, the energy to attach each successive ribonucleotide to the growing RNA chain comes from:

A) the RNA polymerase itself.
B) cleavage of the high-energy phosphate bonds of the incoming nucleotide.
C) cleavage of the high-energy phosphate bonds of the growing transcript.
D) cleavage of the 2' hydroxyl group on the ribose of the incoming nucleotide.