Answer & Explanation:
When connected together by a series of peptide bonds, amino acids form a polypeptide, another word for protein. The polypeptide will then fold into a specific conformation depending on the interactions (dashed lines) between its amino acid side chains.
B) I, II, IV, III must be the answer
Alzheimer's disease<span> is the most common cause of dementia. The word dementia describes a set of symptoms that can include memory loss and difficulties with thinking, </span>problem<span>-solving or language. These symptoms occur when the brain is damaged by certain </span>diseases<span>, including </span>Alzheimer's disease