Multiple Choice
In proteins, each amino acid differs from the others primarily in which structural feature?
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3. Amino Acids
Amino Acid Groups
Multiple Choice
In biochemistry, what is the monomer unit of a protein called?
A
Nucleotide
B
Fatty acid
C
Amino acid
D
Monosaccharide
Verified step by step guidance1
Understand that proteins are large biomolecules made up of smaller repeating units called monomers.
Recall that the monomers of proteins are specifically known as amino acids, which link together via peptide bonds to form polypeptides.
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 is related to protein monomers.
Therefore, identify that the correct monomer unit of a protein is an amino acid.
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