https://www.khanacademy.org/science/ap-biology/cellular-energetics/enzyme-structure-and-catalysis/v/enzymes 2023-09-14T11:07:34.466749579Z Enzymes Enzymes are biological catalysts that speed up reactions. The active site is where substrates bind to the enzyme. Induced fit occurs when the enzyme changes shape to better accommodate substrates, facilitating the reaction. Enzymes can be used multiple times and are affected by factors such as temperature and pH. Sal Khan video https://cdn.kastatic.org/googleusercontent/h1dV6OeMNiX3N5HDBw9YZKd79xRqmVdRZHClIn18HKP4GjuAMFgBr-uWhH4d1zXo3H-poNJVHHxAgcP_LtgyfYWB Enzymes Enzymes are biological catalysts that speed up reactions. The active site is where substrates bind to the enzyme. Induced fit occurs when the enzyme changes shape to better accommodate substrates, facilitating the reaction. Enzymes can be used multiple times and are affected by factors such as temperature and pH. https://cdn.kastatic.org/ka-youtube-converted/A90HKrgUOg0.mp4/A90HKrgUOg0.mp4 493 Structure and components of enzymes https://www.khanacademy.org/science/ap-biology/cellular-energetics/enzyme-structure-and-catalysis/e/enzyme-structure-and-catalysis-exercise 2026-04-02T04:15:35.616513959Z Enzyme structure and catalysis Test your knowledge of enzyme structure and catalysis! Lauren Rosebrugh exercise https://www.khanacademy.org/science/ap-biology/cellular-energetics/enzyme-structure-and-catalysis/a/enzymes-and-the-active-site 2026-03-17T04:30:40.156944414Z Enzymes and the active site Enzymes as biological catalysts, activation energy, the active site, and environmental effects on enzyme activity. article https://www.khanacademy.org/science/grade-11-biology-snc-aligned/x58c107ba92d3f0b2:domain-f-metabolism/x58c107ba92d3f0b2:structure-and-components-of-enzymes/v/cofactors-coenzymes-and-vitamins 2021-05-25T21:59:59Z Co-factors, co-enzymes, and vitamins Co-factors and co-enzymes assist enzymes in their function. We will learn what both co-enzymes and co-factors are, and how they might affect the catalysis of a reaction. By Ross Firestone. Ross Firestone video https://cdn.kastatic.org/googleusercontent/wJhUcB0N8GdWud8pfoNRYQ09wGCNwbKPQziP3ApCEcTZF9Y44v8zE-ai4S751TzVm9z377rLxiedkCt81LEcqQEk Co-factors, co-enzymes, and vitamins Co-factors and co-enzymes assist enzymes in their function. We will learn what both co-enzymes and co-factors are, and how they might affect the catalysis of a reaction. By Ross Firestone. https://cdn.kastatic.org/ka-youtube-converted/OJhdag89Pq4.mp4/OJhdag89Pq4.mp4 321 Structure and components of enzymes https://www.khanacademy.org/science/grade-11-biology-snc-aligned/x58c107ba92d3f0b2:domain-f-metabolism/x58c107ba92d3f0b2:structure-and-components-of-enzymes/e/enzyme-structure-and-function-questions 2021-06-05T01:55:50Z Enzyme structure and function questions Questions pertaining to enzyme structure and function Bradley Kolb exercise https://www.khanacademy.org/science/ap-biology/cellular-energetics/environmental-impacts-on-enzyme-function/a/hs-enzymes-review 2021-04-29T07:56:24Z Enzymes review article https://www.khanacademy.org/science/biology/energy-and-enzymes/enzyme-regulation/v/enzyme-cofactors-and-coenzymes 2021-03-18T10:33:23Z Enzyme cofactors and coenzymes The cofactors and coenzymes (organic cofactors) that help enzymes catalyze reactions. video https://cdn.kastatic.org/googleusercontent/KACsFdJo65fx1rPaiFqdBhF1fFHvmKP-6U7kojttfRlFvgUf-bh3kikkGXh3ho6j9tyrqJpOdktudyDRA1dJWeob Enzyme cofactors and coenzymes The cofactors and coenzymes (organic cofactors) that help enzymes catalyze reactions. https://cdn.kastatic.org/ka-youtube-converted/jYR0RlMft8Y.mp4/jYR0RlMft8Y.mp4 599 Structure and components of enzymes