Answer:
DNA is duplicated, or copied
Explanation:
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Temporal cortex . .................
Answer:
A system for growing food without using much land
Explanation:
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<span>Other mutagens act by chemically modifying the bases of DNA. For example, nitrous acid (HNO2) reacts with bases that contain amino groups. Adenine is oxidatively deaminated to hypoxanthine, cytosine to uracil, and guanine to xanthine. ... Uracil pairs with adenine rather than with guanine.</span><span>
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