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Rapid Review
Differences between DNA and RNA
| DNA | RNA |
| Double stranded helix (anti-parallel) | Single stranded | Bases are G,C,A,T | Bases are G,C,A,U | Sugar is deoxyribose | Sugar is ribose | Replicates from self (semi-conservative). New strand grows from 5' to 3' | Transcribed from DNA template (anti-sense strand) |
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Purines (big groups) |
Pyrimidines (small groups) |
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Base pairs |
G -------- | -------- C |
| A -------- | -------- T |
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Purines (big groups) |
Pyrimidines (small groups) |
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Base pairs |
G -------- | -------- C |
| A -------- | -------- U |
Note: U replaces T
