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

4. Protein Structure

Peptide Bond

Biochemistry

4. Protein Structure

Peptide Bond

Previous problemNext problem

Struggling with Biochemistry?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

What is the primary function of a peptide bond in proteins?

To transport oxygen in the blood

To link amino acids together in a polypeptide chain

To catalyze biochemical reactions

To store genetic information

Previous problemNext problem

Verified step by step guidance

Understand the structure of a peptide bond: A peptide bond is a covalent bond formed between the carboxyl group (-COOH) of one amino acid and the amino group (-NH2) of another amino acid during a condensation reaction, releasing a molecule of water.

Recognize the role of peptide bonds in proteins: Peptide bonds are responsible for linking amino acids together, forming the backbone of polypeptide chains, which are the building blocks of proteins.

Differentiate the function of peptide bonds from other biological functions: Peptide bonds do not transport oxygen (a function of hemoglobin), catalyze reactions (a function of enzymes), or store genetic information (a function of DNA/RNA). Their primary role is structural, connecting amino acids in proteins.

Relate peptide bonds to protein structure: The sequence of amino acids linked by peptide bonds determines the primary structure of a protein, which ultimately influences its higher-order structures and biological function.

Conclude that the primary function of a peptide bond is to link amino acids together in a polypeptide chain, enabling the formation of proteins essential for various biological processes.