DNA is a very long, thin molecule made up of thousands of atoms. It consists of two chains or "backbones" that twist around each other. This structure is known as a double helix.

adenine (A), thymine (T), guanine (G) and cytosine (C)

Each A-T or G-C combination is known as a base pair.

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Stile Biology

Stile notes

Question	Answer
What is DNA?	DNA is a very long, thin molecule made up of thousands of atoms. It consists of two chains or "backbones" that twist around each other. This structure is known as a double helix.
What does DNA stand for?	Deoxyribonucleic acid.
What are the bases?	adenine (A), thymine (T), guanine (G) and cytosine (C)
What are base pairs?	Each A-T or G-C combination is known as a base pair.
What's another name for the two chains?	Double helix