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A certain enzyme works optimally at a pH of 7.5. If the pH is decreased by 1 uni

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Question: A certain enzyme works optimally at a pH of 7.5. If the pH is decreased by 1 unit, what is the new pH level?

Options:

  1. 6.5
  2. 7.0
  3. 8.0
  4. 7.5

Correct Answer: 6.5

Solution: 

New pH = 7.5 - 1 = 6.5.

A certain enzyme works optimally at a pH of 7.5. If the pH is decreased by 1 uni

Practice Questions

Q1
A certain enzyme works optimally at a pH of 7.5. If the pH is decreased by 1 unit, what is the new pH level?
  1. 6.5
  2. 7.0
  3. 8.0
  4. 7.5

Questions & Step-by-Step Solutions

A certain enzyme works optimally at a pH of 7.5. If the pH is decreased by 1 unit, what is the new pH level?
  • Step 1: Identify the original pH level, which is 7.5.
  • Step 2: Understand that decreasing the pH by 1 unit means you subtract 1 from the original pH.
  • Step 3: Perform the subtraction: 7.5 - 1.
  • Step 4: Calculate the result, which is 6.5.
  • Step 5: State the new pH level, which is 6.5.
  • pH Scale – Understanding the pH scale and how it measures acidity or alkalinity, where a decrease in pH indicates an increase in acidity.
  • Enzyme Activity – Knowledge of how enzymes have optimal pH levels for activity and how changes in pH can affect their function.
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