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Nothing "happens to it" unless something happens to it. In other words, your question is missing the "when" part ("what happens to a molecule of protein WHEN ..."). Even then, it depends on the details; different proteins react in different ways.
Neutralize chemical reactions during digestion
converted by pepsin.
protein
what orgens resposible for digestion
Polypeptides, peptides, amino acids
The goal of digestion is to break down food to the glucose level. Only then will it be absorbed into the cell and be used in respiration.
Enzymes in the body help to metabolize protein. The process occurs during digestion and as the food flows through the intestines.
During transcription, the genetic information is rewritten as a molecule of
During transcription a protein molecule called a messenger RNA, or mRNA, is produced. This protein becomes important later during translation.
Messenger RNA
DNA remains in nucleus .