Answer: Three nucleotides encode an amino acid. Proteins are built from a basic set of 20 amino acids, but there are only four bases.
Explanation:
The answer is; chromosomes.
During interphase, the chromosomes are usually hard to visualize even under a microscope becaue they are long thin threads called chromatin. During the initiation of mitosis, the chromatin undergo structural changes that condense and shortens them and they becomes visible to even a light microscope.
<span> electricity storage systems readily available. </span>
Maybe biosphere and geosphere?
