
What Is Life? 2nd Edition by Jay Phelan
Edition 2ISBN: 978-1464102448
What Is Life? 2nd Edition by Jay Phelan
Edition 2ISBN: 978-1464102448 Exercise 32
During transcription, at the point at which the DNA strand being copied has an adenine, a(n) ______ is added to the
______. 
A) thymine; tRNA
B) cytosine; DNA
C) uracil; tRNA
D) adenine; mRNA
E) uracil; mRNA.


A) thymine; tRNA
B) cytosine; DNA
C) uracil; tRNA
D) adenine; mRNA
E) uracil; mRNA.
Explanation
• Adenine (A) on the DNA strand becomes ...
What Is Life? 2nd Edition by Jay Phelan
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