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During DNA replication in a human cell, 6 billion bases must be paired properly.
Which characteristic of DNA best allows for high levels of accuracy during this process?
ion channels
presence of ribose in the backbone
base pairing according to certain rules
single-helix shape
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GPT-5 mini
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Base pairing according to certain rules
Complementary base pairing (A with T, C with G via specific hydrogen bonds) lets DNA polymerase use the existing strand as an accurate template and allows proofreading/correction, ensuring high fidelity when copying ~6 billion bases.
Complementary base pairing (A with T, C with G via specific hydrogen bonds) lets DNA polymerase use the existing strand as an accurate template and allows proofreading/correction, ensuring high fidelity when copying ~6 billion bases.
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