Collagen is a substance that is made up of amino acid linked together to form long, branched polypetide (tertiary protein chains). Thus COLLAGEN is the protein.
Answer:
Surgery, chemotherapy and radiation therapy
Explanation:
A:2 because atp molecules production has same explanations
Drug use (especially alcohol, tobacco, and marijuana) ...
Early sexual intercourse and without protective measures. ...
Eating disorders. ...
Antisocial behavior. ...
Dropout of studies.