B5 Growth and Development OCR 21st Century Science
- Created by: eoin_condron
- Created on: 16-04-16 20:14
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- DNA is a double Helix: two strands coiled together
- each strand-small units, NUCLEOTIDE
- contains a small molecule called a base
- DNA has 4 - Adenine (A), Cytosine (C), Guanine (G), Thymine (T)
- two strands are held together by the bases, which bind in pairs
- DNA has 4 - Adenine (A), Cytosine (C), Guanine (G), Thymine (T)
- contains a small molecule called a base
- each strand-small units, NUCLEOTIDE
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