Dna

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Unformatted text preview: DNA DNA 0. Deoxyribose Nucleic Acid 1. Double Chain of nucleotides 2. Nitrogen bases 0. Purines: adenine and guanine 1. Pyrimidines: thymine and cytosine 2. Pairings adenine and thymine guanine and cytosine DNA structure 3. Double helix 4. Unzips down the center Unzips 5. Hydrogen bonds holding the bases together are broken 5. DNA replication 6. Semiconservative replication 3. Half of the original strand is used in the making of a new strand. new 4. The original strand is complimented with new parts to make the new portion....
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