The pond weeds are the producers because they are a plant
Rotting vegetables is a chemical change I think.
Communicate results....................
Answer:
The answer to your question is below.
Explanation:
Amino acids are composed by one amino group, one carboxyl group and one chain.
The parts of the amino acid that are involved in a peptide group are the amino group (- NH₂) and the carboxyl group (-COOH).