Amino acids are the monomers that make up proteins. Amino acids are made of a carboxyl group (Carbon, Oxygen, Hydrogen), an amino group (Nitrogen and two Hydrogen), and finally an R group which differs in each amino acid. That R group is what makes each amino acid different! They can also act as enzymes. Essentially enzymes act as biological catalysts and control the functions of the cell and build cells.
Which items are sources of soil pollution
Answer:plastics
Answer:
all cells so the last one
The answer is A.
Neither B nor C make sense, because in a sensible experiment, we dont try to mess up the results or replace results.
