If there is an exposed purine during DNA replication,
A) any purine will be joined to it.
B) a specific purine will be joined to the exposed purine, depending on which purine is exposed.
C) a specific pyrimidine will be joined to the exposed purine, depending on which purine it is.
D) any pyrimidine will be joined to it.
E) a phosphate group will be joined to the exposed purine.

Question

Quizplus · Accepted Answer

During DNA replication, base pairing rules dictate that a specific pyrimidine (thymine or cytosine) will pair with the exposed purine (adenine or guanine), depending on which purine it is. Adenine pairs with thymine, and guanine pairs with cytosine.

If There Is an Exposed Purine During DNA Replication