Answer:
divergent boundaries is the correct answer
Amino group, carboxyl group, hydrogen atom, and variable group (represented with R). The r-group is a side chain and amino acids are grouped together by their side chains. The product of these groupings may be hydrophobic or hydrophilic.
It would be mass number minus atomic number, 150-49
The proteins that are needed to lower the amount of energy required to start a chemical reaction