Sugar phosphate backbone — Free Biology Illustration | GPAI | GPAI

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Sugar phosphate backbone — Free Biology Illustration | GPAI | GPAI

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Sugar phosphate backbone

Sugar phosphate backbone

Biology

Sugar phosphate backbone

A simplified 2D molecular illustration of a single nucleic acid sugar-phosphate backbone, shown as one outer rail of a DNA or polynucleotide strand. The structure is a repeating linear to gently curving zigzag chain of alternating pentagonal pentose or deoxyribose sugar units and small circular or rounded phosphate groups linked in sequence. Sugars are typically blue or pale blue, and phosphates yellow or orange, with bases omitted to emphasize the regular repeating scaffold and structural spine of the strand.

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