factors affecting enzyme action

• How does temperature affect the rate of enzyme-controlled reactions?

  • Rate increases with temperature due to higher kinetic energy
  • Rate drops after about 37°C due to enzyme denaturation
  • Enzymes denature around 45°C, causing permanent damage
• What factors will be discussed in relation to enzyme functioning in this video?

  Temperature and pH
• At what temperature does the rate of enzyme-controlled reactions start to drop rapidly?

  About 37°C
• What happens to enzymes at high temperatures?

  High temperatures break bonds, changing the active site shape
• What is the term used when an enzyme can no longer bind to its substrate?

  Denatured
• What is the optimum temperature for enzyme activity mentioned in the video?

  37°C
• Do all enzymes have the same optimal temperature?

  No, different enzymes have different optimal temperatures
• How does pH affect enzyme activity?

  • pH measures acidity
  • Extreme pH levels lower the rate of reaction
  • Changes in pH can lead to enzyme denaturation
• What happens to the active site of an enzyme when the pH is too high or too low?

  The active site changes shape, affecting substrate binding
• What is the optimal pH for most enzymes in the human body?

  About 7 (neutral)
• What resources does the learning platform offer?

  • Watch videos
  • Practice with questions
  • Track progress in sciences and maths
• What is the optimal pH for enzymes that work in the stomach?

  About 2
• What has been arranged for the subject in the video?

  A playlist of all related videos
• Where can you find the link to the lesson for this video?

  In the description down below