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

Enzyme-Substrate Complex

Biochemistry

6. Enzymes and Enzyme Kinetics

Enzyme-Substrate Complex

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

Which of the following correctly completes the equation for enzyme-catalyzed reactions: active enzyme + (1) \rightarrow (2) + (3)__?

(1) substrate; (2) enzyme-substrate complex; (3) product

(1) inhibitor; (2) enzyme-inhibitor complex; (3) product

(1) product; (2) enzyme-product complex; (3) substrate

(1) cofactor; (2) enzyme-cofactor complex; (3) substrate

Previous problemNext problem

Verified step by step guidance

Step 1: Understand the context of enzyme-catalyzed reactions. Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy. They interact with specific molecules called substrates to form an enzyme-substrate complex.

Step 2: Analyze the equation provided in the problem. The equation describes the sequence of events in an enzyme-catalyzed reaction: active enzyme + (1)______ → (2)______ + (3)______.

Step 3: Recall the typical progression of enzyme-catalyzed reactions. First, the enzyme binds to the substrate to form the enzyme-substrate complex. Then, the substrate is converted into the product, and the enzyme is released unchanged.

Step 4: Match the options provided with the correct sequence of events. The correct sequence involves (1) substrate, (2) enzyme-substrate complex, and (3) product, as this reflects the standard mechanism of enzyme action.

Step 5: Eliminate incorrect options. For example, inhibitors do not form enzyme-substrate complexes, and cofactors are not substrates. Products are formed at the end of the reaction, not at the beginning.