Answer:
Explanation:21 amino acids
Thus, protein synthesis relies universally on 61 sense codons that encode 21 amino acids — including the nonstandard amino acid selenocysteine [2] — and three termination codons.
C
Explanation:
heterotrophic oragnisms gain energy from other oragnisms and need to break down complex organic molocules to release energy.
By making making high energies in cold temperatures
Your heart muscle cells –
