Constructing a DNA Model - Free Printable

Educational worksheet: Constructing a DNA Model. Download and print for classroom or home learning activities.

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- The image displays a grid of nucleotides, each composed of a phosphate group, deoxyribose sugar, and a nitrogenous base.
- The key identifies the four DNA bases by their unique shapes: Adenine (flag), Cytosine (oval), Thymine (triangle), and Guanine (rectangle).
- In DNA, base pairing follows specific rules: Adenine pairs with Thymine, and Cytosine pairs with Guanine.
- By examining the sequence in the first column from top to bottom, the bases are: Adenine, Thymine, Cytosine, Guanine, Thymine.
- Applying complementary base pairing, the matching sequence for the first column is: Thymine, Adenine, Guanine, Cytosine, Adenine.
- This complementary sequence corresponds to the shapes: triangle, flag, rectangle, oval, flag.
- The column that matches this exact sequence of shapes from top to bottom is the third column.

Parent Tip: Review the logic above to help your child master the concept of dna activity worksheet.

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