Course

Biology Science

Study Pack

Set 17 Transcription Rna Processing And Translation

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Question 1

(Multiple Choice)

Free
Which of the following processes is central to the initiation of transcription?

A) formation of a DNA primer
B) binding of DNA polymerase to the promoter region
C) formation of a phosphodiester bond in the elongating RNA strand
D) binding of sigma to the promoter region

Answer

Question 2

(Multiple Choice)

Free
A primary transcript in the nucleus of a eukaryotic cell is the functional mRNA, while a primary transcript in a prokaryotic cell is _ the functional mRNA.

A) the same size as; larger than
B) larger than; the same size as
C) larger than; smaller than
D) the same size as; the same size as

Answer

Question 3

(Multiple Choice)

Free
In eukaryotic cells, transcription cannot begin until which of the following occurs?

A) The two DNA strands have completely separated and exposed the promoter.
B) The DNA introns are removed from the template.
C) DNA nucleases have isolated the transcription unit.
D) Several transcription factors have bound to the promoter.
E) The 5' caps are removed from the mRNA.

Answer