Question #d625f

1 Answer

They form hydrogen bonds.
A pairs with T
G pairs with C

Explanation:

  1. The nitrogenous bases i.e., adenine, guanine, thymine and cytosine of the two strands are joined by hydrogen bonds and form two complementary strands to form DNA.
  2. Adenine joins with thymine and guanine joins with cytosine with two and three hydrogen bonds, respectively. Thank you

Here is a video which describes how the base paring rules are important during the process of DNA replication.