Question

The building blocks that form the DNA double helix are called:
A) steroid bases.
B) nucleoli
C) nitrogenous acids.
D) nucleotides.
E) nuclear pores.

Answer 1

Answer:

D. nucleotides

Explanation:

They are composed of three parts:

1. Nitrogen base (Adenine, Cytosine, Thymine or Guanine)

2. Five carbon sugar

3. Phosphate group