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In the process of transcription, how does the mRNA strand relate to DNA?

a) The mRNA strand is complementary to the DNA strand; however, uracil instead of adenine is paired with thymine.
b) The mRNA strand is complementary to the DNA strand; however, uracil instead of thymine is paired with adenine.
c) The mRNA strand mimics the DNA strand; however, uracil is the 5th based used in the sequence.
d) The mRNA strand is an exact copy of the DNA strand.

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amiras

b) the mRNA strand is complementary to the DNA strand; however, uracil instead of thymine is paired with adenine.

samueladesida43

In the process of transcription, the mRNA strand is complementary to the DNA strand; however, uracil instead of thymine is paired with adenine.

TRANSCRIPTION:

  • Transcription is the first stage of gene expression which involves the synthesis of mRNA molecule from a DNA template.

  • The double-stranded DNA molecule is separated and each single strand serves as a template for synthesizing a complementary mRNA strand.

  • Adenine pairs Thymine while Guanine pairs with Cytosine in the DNA molecule but in the mRNA strand, uracil instead of thymine is paired with adenine.

  • Therefore, in the process of transcription, the mRNA strand is complementary to the DNA strand; however, uracil instead of thymine is paired with adenine.

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