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 enzyme is primarily responsible for the chemical breakdown of carbohydrates during digestion?

Amylase

Lipase

Trypsin

Pepsin

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Verified step by step guidance

Step 1: Begin by understanding the role of each enzyme listed in the options. Amylase, Lipase, Trypsin, and Pepsin are all digestive enzymes, but they target different types of macromolecules.

Step 2: Recall that carbohydrates are broken down into simpler sugars during digestion. Identify which enzyme specializes in catalyzing the hydrolysis of carbohydrates.

Step 3: Amylase is the enzyme responsible for breaking down carbohydrates. It hydrolyzes starch and glycogen into maltose and dextrins. This process begins in the mouth with salivary amylase and continues in the small intestine with pancreatic amylase.

Step 4: Lipase is responsible for breaking down lipids (fats), Trypsin is involved in protein digestion, and Pepsin also targets proteins in the stomach. These enzymes do not play a role in carbohydrate digestion.

Step 5: Based on the information above, the enzyme primarily responsible for the chemical breakdown of carbohydrates during digestion is Amylase.