Question

In DNA a purine base should only pair with a pyrimidine base. Give one reason why this

would be the case.

Answer 1

Step-by-step explanation:

Pairing of a specific purine to a pyrimidine is due to the structure and properties of these bases. A and G are purines and T and C are pyrimdines. In DNA base pairing, A pairs with T and C with G.