Coding portions of DNA tend to lie in clusters rich in which two nucleotides?
A) Thymine and cytosine
B) Cytosine and guanine
C) Cytosine and adenine
D) Thymine and adenine

Question

Quizplus · Accepted Answer

Coding portions of DNA tend to be made up of regions of high CG content, as cytosine and guanine have three hydrogen bonds between them, making their bonding more stable than adenine and thymine, which only have two hydrogen bonds between them.

Coding Portions of DNA Tend to Lie in Clusters Rich