Model 1 - The Structure of DNA, depicting nucleotide components and the double helix structure.

Diagram illustrating the structure of DNA, showing a nucleotide with its components (phosphate, deoxyribose sugar, and nitrogen-containing base), the four nitrogen bases (adenine, thymine, guanine, cytosine), and the ladder model of DNA with two helical strands.

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Show Answer Key & Explanations Step-by-step solution for: DNA Structure and Replication - Ramsey School District

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Final Answer:
1. a. Phosphate, deoxyribose sugar, nitrogen-containing base
b. Deoxyribose sugar
c. Nitrogen-containing base
d. Adenine, Thymine, Guanine, Cytosine
2. a. (Circle one nucleotide on each side of the ladder model — this is a visual task; in text, it means selecting one complete nucleotide unit—phosphate + sugar + base—on the left strand and one on the right strand.)

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