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Diagram illustrating the double helix structure of DNA, highlighting its components and biological importance.

DNA Double Helix diagram showing the structure of DNA with labeled components and a detailed explanation of its function and significance.

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Show Answer Key & Explanations Step-by-step solution for: DNA - The Double Helix.pdf - Name: DNA - The Double Helix The ...

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Final Answer:
The double helix structure of DNA consists of two antiparallel strands held together by hydrogen bonds between complementary nitrogenous bases: adenine (A) pairs with thymine (T) via 2 hydrogen bonds, and guanine (G) pairs with cytosine (C) via 3 hydrogen bonds. The sugar-phosphate backbones run in opposite directions (5′ → 3′ and 3′ → 5′), and the molecule twists into a right-handed helix.

Parent Tip: Review the logic above to help your child master the concept of nucleic acids dna the double helix worksheet answers.

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