Multiple choice

The nitrogenous base which pairs with adenine in any given DNA molecule as per the Watson - Crick model is called

  1. guanine

  2. cytosine

  3. thymine

  4. uracil

  5. none of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the Watson-Crick DNA model, adenine always pairs with thymine through two hydrogen bonds. This complementary base pairing is fundamental to DNA's double-helix structure and replication mechanism.