Structural components of DNA, including nucleotides and base pairing.

Diagram of DNA double helix showing base pairs, deoxyribose sugar, phosphate groups, and hydrogen bonds with color-coded labels.

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Show Answer Key & Explanations Step-by-step solution for: Ninth grade Lesson DNA: The Double Helix (Structure & Function ...

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- The image displays a segment of a DNA double helix.
- The two strands are held together by hydrogen bonds between complementary nitrogenous bases.
- According to the key, Adenine (green) pairs with Thymine (red), and Guanine (purple) pairs with Cytosine (yellow).
- The sugar-phosphate backbones, composed of alternating deoxyribose (D) and phosphate (P) groups, run along the outside of the helix.
- The specific base pairing shown in the image follows the rules: Adenine with Thymine, and Guanine with Cytosine.

Parent Tip: Review the logic above to help your child master the concept of the double helix coloring worksheet.

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