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Multiple Choice
What is a monomer of a protein called?
A
Monosaccharide
B
Amino acid
C
Fatty acid
D
Nucleotide
Verified step by step guidance
1
Step 1: Understand the concept of a monomer. A monomer is a small molecule that can bind chemically to other molecules to form a polymer. Proteins are polymers made up of specific monomers.
Step 2: Recall the structure of proteins. Proteins are composed of chains of amino acids linked together by peptide bonds. These amino acids are the building blocks or monomers of proteins.
Step 3: Differentiate between the options provided. Monosaccharides are monomers of carbohydrates, fatty acids are components of lipids, and nucleotides are monomers of nucleic acids. None of these are related to protein structure.
Step 4: Confirm that amino acids are the correct answer. Amino acids contain an amino group (-NH2), a carboxyl group (-COOH), and a unique side chain (R group) that defines their properties. These are the monomers that form proteins.
Step 5: Conclude that the monomer of a protein is called an amino acid, as it is the fundamental unit that links together to form the protein polymer.