Multiple Choice
In the context of proteins, which term best describes “a long chain of amino acid molecules” linked by peptide bonds?
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1. Introduction to Biochemistry
Proteins
Multiple Choice
In biochemistry, what are the monomer units that polymerize to form proteins?
A
Nucleotides
B
Fatty acids
C
Monosaccharides
D
Amino acids
Verified step by step guidance1
Understand that proteins are biological macromolecules made up of smaller repeating units called monomers.
Recall that the monomers that polymerize to form proteins are amino acids, which link together via peptide bonds.
Recognize that nucleotides are the monomers of nucleic acids (DNA and RNA), not proteins.
Know that fatty acids are components of lipids, and monosaccharides are the monomers of carbohydrates, so neither forms proteins.
Therefore, the correct monomer units for proteins are amino acids, which polymerize through peptide bond formation to create polypeptides and proteins.
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