DNA
- Created by: Molly Webb
- Created on: 13-04-15 13:02
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- Polynucleotides
- DNA
- double helix
- two long chains of nucleotide molecules
- linked together
- Each chain is called a polynucleotide
- DEOXYRIBONUCLEIC ACID
- Phosphate group
- Five-carbon sugar, deoxyribose
- an organic base
- Purine bases: A and G
- Contain 2 rings in their structure
- Pyrimidine bases: T and C
- contain 1 ring in structure
- Purine bases: A and G
- the chains are anti-parallel
- join together by hydrogen bonds
- A links with T C links with G
- complementary base pairing
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- complementary base pairing
- DNA
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