3.15: Describe a DNA Molecule as Two Strands Coiled to Form a Double Helix, the Strands being Linked by a Series of Paired Bases: Adenine (A) with Thymine (T), and Cytosine (C) with Guanine (G)

DNA: Two Strands Coiled to Form a Double Helix (Two Spirals)

                      

 BASE PAIRS:

BASE PAIRING 1	BASE PAIRING 2
ADENINE - THYMINE       A - T	CYTOSINE - GUANINE       C - G