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

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Multiple Choice

Why is the shape of an enzyme important for its function?

Because it allows the enzyme to be used as a structural component in the cell membrane.

Because it allows the enzyme to act as a source of cellular energy.

Because it determines the enzyme's ability to specifically bind to its substrate and catalyze a reaction.

Because it enables the enzyme to store genetic information.

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Verified step by step guidance

Understand the role of enzymes: Enzymes are biological catalysts that speed up chemical reactions in the cell without being consumed in the process. Their primary function is to bind to specific substrates and catalyze reactions.

Learn about enzyme specificity: The shape of an enzyme is crucial because it determines the enzyme's ability to bind to its substrate. This specificity is often described using the 'lock and key' model, where the enzyme's active site (the 'lock') is complementary to the substrate (the 'key').

Explore the active site: The active site is a region on the enzyme where the substrate binds. The shape and chemical properties of the active site are tailored to interact with the substrate, ensuring that only specific molecules can bind and undergo the reaction.

Understand the importance of enzyme structure: The three-dimensional structure of an enzyme, determined by its amino acid sequence and folding, is essential for its function. Any changes to this structure, such as denaturation, can disrupt the enzyme's ability to bind to its substrate and catalyze reactions.

Clarify misconceptions: The enzyme's shape is not related to storing genetic information, acting as a source of energy, or serving as a structural component in the cell membrane. Its primary importance lies in its ability to bind specifically to substrates and catalyze biochemical reactions efficiently.