<span>After
digestion, an amino acid not absorbed by the body and not used to build
proteins will first be subjected to removal from its amino group. If they are
not used for protein synthesis, amino acids becomes part of the metabolism
process. The body has the capability to create a subset of amino acids, also
known as non-essential amino acids because we don’t have requirement for them
in our diet. </span>
A leaf that replaces the seed leaf and makes food is called a cotyledon.
A human has 23 pairs of chromosomes, so 46 altogether. This means that if people were to have a child, they would each pass on half of their own chromosomes, 23, to the child, which would mean that the child inherits 23 chromosomes from each parent.
The sex chromosomes for males are X and Y.
I hope this helps!