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

6. Enzymes and Enzyme Kinetics

Enzymes

Biochemistry

6. Enzymes and Enzyme Kinetics

Enzymes

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Multiple Choice

Which type of reaction is primarily catalyzed by enzymes in the digestive tract?

Dehydration synthesis

Phosphorylation

Oxidation

Hydrolysis

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Verified step by step guidance

Understand the role of enzymes in the digestive tract: Enzymes in the digestive system primarily function to break down macromolecules (such as proteins, carbohydrates, and lipids) into smaller, absorbable units.

Define hydrolysis: Hydrolysis is a chemical reaction where water is used to break bonds in molecules, splitting them into smaller components. This process is essential for digestion.

Relate hydrolysis to digestion: In the digestive tract, enzymes catalyze hydrolysis reactions to break down complex molecules like polysaccharides into monosaccharides, proteins into amino acids, and lipids into glycerol and fatty acids.

Differentiate hydrolysis from other reactions: Dehydration synthesis involves forming bonds by removing water, phosphorylation involves adding phosphate groups, and oxidation involves the loss of electrons. These reactions are not the primary function of digestive enzymes.

Conclude that hydrolysis is the correct answer: Based on the function of digestive enzymes and the nature of the reactions they catalyze, hydrolysis is the primary type of reaction occurring in the digestive tract.