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Describe the physical structure of DNA.​
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Describe the physical structure of DNA.​

User Denis Troller
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DNA has a double helix structure. The outer edges are formed by alternating deoxyribose sugar molecules and phosphate groups. The two strands run in opposite directions one going in a 3 to 5 the other going in a 5 to 3.
User Pavneet Kaur
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