Question

Cells produce mRNA molecules by:
O
A. replacing DNA nucleotides in one strand of a DNA molecule with
RNA nucleotides.
O
B. using one strand of a DNA molecule as a template for lining up
RNA nucleotides.
O
O
C. forming template strands of RNA that exactly match both strands
of a DNA molecule.
O
D. providing new RNA nucleotides through the action of DNA
helicase.
SUBMIT

Answer 1

Answer:

B

Explanation:

In transcription, the RNA polymerase open up the double helix of the DNA to use one strand as a template to copy to produce the mRNA strand.