Review the Structure of DNA - Free Printable

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- The image displays a schematic of a nucleic acid strand, likely DNA, composed of five nucleotides.
- Each nucleotide consists of a phosphate group (circle), a deoxyribose sugar (pentagon), and a nitrogenous base (rectangle or other shape).
- The bases shown are Adenine (A) and Guanine (G), which are purines.
- The dashed lines between complementary bases represent hydrogen bonds, indicating base pairing with an opposing strand.
- The orientation of the sugar-phosphate backbone, indicated by the direction of the pentagons and the arrowheads on the bases, suggests this is the 5' to 3' direction of one strand.
- The sequence of bases from top to bottom is A, G, followed by three unlabelled bases that are paired via hydrogen bonding.

Parent Tip: Review the logic above to help your child master the concept of 12 1 dna worksheet answers.

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