A primary transcript (immature, non-processed) single-stranded RNA molecule has the following nucleotide composition: 30% A, 20% G, 24% C, and 26% U. What is the nucleotide composition of the double-stranded DNA molecule from which it was transcribed?

a. 28% A, 22% G, 22% C, and 28% T
b. 20% A, 30% G, 26% C, and 24% T
c. 26% A, 24% G, 20% C, and 30% T
d. 30% A, 20% G, 24% C, and 26% T
e. 26% A, 24% G, 20% C, and 30% U


Ans: a. 28% A, 22% G, 22% C, and 28% T

Biology & Microbiology

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