The nitrogen bases which pair with two hydrogen bonds are
A. Adenine and thymine
B. Adenine and Cytosine
C. Cytosine and guanine
D. Cytosine and adenine
Answer:A
The nitrogen bases which pair with two hydrogen bonds are
A. Adenine and thymine B. Adenine and Cytosine C. Cytosine and guanine D. Cytosine and adenine