<span>b.)The mRNA code determines which tRNA molecules are used.
</span><span>D. Ribsome
</span><span>A. Meothionine, Serine, Glutamine, Tryptophan</span>
Orogenic belts occur where two continental plates collide and push upwards to form large mountain ranges. These are also known as collision boundaries .. hope this helps ?
D. Coal is naturally made and cannot be renewed by humans.
The answer to this question is histidine. Histidine i<span>s an </span>α-amino acid<span> involved in the biosynthesis of </span>proteins. The structure of histidine includes<span> an </span>α-amino acid<span>, a </span>carboxylic acid group<span>, and an </span>imidazole<span> side chain. Histidine was initially thought to be </span>essential<span> only for infants; however, it has since been found to be essential for adults too.</span>