<span>Methyl groups
</span>DNA<span> methylation is a process by which </span>methyl groups<span> are added to the </span>DNA<span> molecule. Methylation can change the activity of a </span>DNA<span> segment without changing the sequence.</span>
I think it might be B. not 100% sure but I think it's B.
Answer:
Your body uses cellular respiration to convert glucose to ATP and carbon dioxide using oxygen.
Explanation:
<span>Because the crystals had enough time to grow to a large size.</span>