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allochka39001 [22]
3 years ago
12

24.

Biology
1 answer:
Gwar [14]3 years ago
8 0
<span>
24. They supply cells with nitrogen.
25. Cellulose
26. Protein
27. </span><span>They help bring about chemical reactions.
28. </span><span>hydrogen bonds
29. </span><span>starch
30. </span><span>It has all nine of the essential amino acids.</span>
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