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

Lactase and carbonic anhydrase are examples of what type of substance?

Hormones

Lipids

Carbohydrates

Enzymes

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Verified step by step guidance

Step 1: Begin by understanding the role of lactase and carbonic anhydrase in biological systems. Lactase is responsible for breaking down lactose into glucose and galactose, while carbonic anhydrase catalyzes the conversion of carbon dioxide and water into bicarbonate and protons.

Step 2: Recall the definition of enzymes. Enzymes are biological catalysts that speed up chemical reactions without being consumed in the process. They are typically proteins, although some RNA molecules can act as enzymes (ribozymes).

Step 3: Compare the functions of lactase and carbonic anhydrase to the definition of enzymes. Both substances facilitate specific biochemical reactions, which aligns with the characteristics of enzymes.

Step 4: Eliminate the incorrect options. Hormones are signaling molecules, lipids are a class of biomolecules including fats, and carbohydrates are energy-providing molecules. None of these categories describe the catalytic function of lactase and carbonic anhydrase.

Step 5: Conclude that lactase and carbonic anhydrase are examples of enzymes based on their catalytic roles in biochemical reactions.