Marble is formed from limestone and contains tiny interlocking grains.
Your answer is C.
Answer:
good question the answer is A. lol
Explanation:
<span>The answer is cysteine. This is a half essential proteinogenic amino acid with the formulation of HO₂CCHCH₂SH. It is prearranged by the codons UGU and UGC. The thiol side chain in cysteine frequently partakes in enzymatic responses, as a nucleophile.</span>
I think it is D I’m not sure