QuestionJune 10, 2025

If the first nucleotide after the promoter on the bottom DNA strand is changed from C to T, what would the resulting nucleotide be on the mRNA? T A U C

If the first nucleotide after the promoter on the bottom DNA strand is changed from C to T, what would the resulting nucleotide be on the mRNA? T A U C
If the first nucleotide after the promoter on the bottom DNA strand is changed from C to T, what would the resulting
nucleotide be on the mRNA?
T
A
U
C

Solution
3.8(239 votes)

Answer

U Explanation 1. Identify DNA to mRNA transcription rule During transcription, DNA nucleotides are converted to mRNA nucleotides using base pairing rules: A -> U, T -> A, C -> G, G -> C. 2. Determine the complementary nucleotide The bottom strand change from C to T means the top strand has an A at this position. In mRNA, A is transcribed to U.

Explanation

1. Identify DNA to mRNA transcription rule<br /> During transcription, DNA nucleotides are converted to mRNA nucleotides using base pairing rules: A -> U, T -> A, C -> G, G -> C.<br /><br />2. Determine the complementary nucleotide<br /> The bottom strand change from C to T means the top strand has an A at this position. In mRNA, A is transcribed to U.
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