Which of the following is NOT a difference between DNA and RNA synthesis? a. the

Question

Which of the following is NOT a difference between DNA and RNA synthesis?

a. the nature of the nucleotide used

b. the direction of synthesis

c. the presence of discrete termination signals

d. the simultaneous coding from both strands of DNA.

During transcription, separation of the DNA strands is necessary. This involves:

a. During transcription, separation of the DNA strands is necessary. This involves:

b. separation of long segments of the DNA corresponding to genes.

c. separation in only a small segment of DNA at a time.

d. separation of the DNA strands one base pair at a time.

The prokaryotic RNA polymerase holoenzyme has an 2 ' subunit structure. Which of the following statements is TRUE regarding this enzyme?

a. The holoenzyme is required in all steps of transcription.

b. Although present throughout the transcription process, the subunit is required for recognition of promotor sites but not for elongation steps in RNA synthesis.

c. The subunit is only involved in initiation of transcription and dissociates from the enzyme after RNA synthesis begins.

d. The 2 and subunits are involved in initiation of transcription and dissociate from the and subunits after RNA synthesis begins.

Explanation / Answer

the below one is NOT a difference between DNA and RNA synthesis

the direction of synthesis

During transcription, separation of the DNA strands is necessary. This involves:

separation of long segments of the DNA corresponding to genes

The prokaryotic RNA polymerase holoenzyme has an 2 ' subunit structure.the following statements is TRUE regarding this enzyme

The holoenzyme is required in all steps of transcription.

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