Question

question 5
a chain of amino acids bound together is called a ______.
polysaccharide
phospholipid
polypeptide
trans fat

Explanation:

• A polysaccharide is a chain of sugar molecules, not amino acids.
• A phospholipid is a lipid molecule with phosphate groups, not an amino acid chain.
• A polypeptide is defined as a linear chain of amino acids linked by peptide bonds.
• Trans fat is a type of unsaturated fat, unrelated to amino acids.

Answer:

polypeptide