Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

3. Amino Acids

Amino Acid Groups

Biochemistry

3. Amino Acids

Amino Acid Groups

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Multiple Choice

Which monomer makes up a polypeptide?

Fatty acid

Monosaccharide

Nucleotide

Amino acid

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Verified step by step guidance

Understand the structure of a polypeptide: A polypeptide is a chain of monomers linked together by peptide bonds. These monomers are specific to proteins.

Recall the definition of a monomer: A monomer is a small molecule that can bind to other similar molecules to form a polymer. In the case of polypeptides, the polymer is a protein.

Identify the building blocks of proteins: Proteins are made up of amino acids, which are organic compounds containing an amino group (-NH2), a carboxyl group (-COOH), and a unique side chain (R group).

Eliminate incorrect options: Fatty acids are components of lipids, monosaccharides are building blocks of carbohydrates, and nucleotides are monomers of nucleic acids. None of these form polypeptides.

Conclude that amino acids are the correct monomers for polypeptides, as they link together via peptide bonds to form the protein structure.