Question
Question: You have obtained a sample of DNA, and you transcribe mRNA from this DNA and purify it. You then sep...
You have obtained a sample of DNA, and you transcribe mRNA from this DNA and purify it. You then separate the two strands of the DNA and analyze the base composition of each strand and of the mRNA. You obtain the data shown in the table to the right. Which strand of the DNA serves as a template for mRNA synthesis?
DNA strand 1
DNA strand 2
mRNA
A
Strand 1
B
Strand 2
C
Both strands 1 and 2
D
Neither strand 1 nor 2
Answer
Strand 2