Answer:
B
Explanation:
the nutrient that is required for repairing cells is protein
<span>Thymine is harder to make, but more stable. DNA needs to keep information safe for a long time, so it makes sense to use thymine. But RNA is made and used quickly, and small mistakes don’t matter as much, so the easier to make uracil does the job.</span>
Dumb isn’t necessarily a human characteristic. i suppose it will depend on the context.
