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A certain enzyme has a specific activity of 50 units/mg. If you have 2 mg of thi

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Question: A certain enzyme has a specific activity of 50 units/mg. If you have 2 mg of this enzyme, what is the total activity?

Options:

  1. 50 units
  2. 100 units
  3. 150 units
  4. 200 units

Correct Answer: 100 units

Solution: 

Total activity = specific activity × amount of enzyme = 50 units/mg × 2 mg = 100 units.

A certain enzyme has a specific activity of 50 units/mg. If you have 2 mg of thi

Practice Questions

Q1
A certain enzyme has a specific activity of 50 units/mg. If you have 2 mg of this enzyme, what is the total activity?
  1. 50 units
  2. 100 units
  3. 150 units
  4. 200 units

Questions & Step-by-Step Solutions

A certain enzyme has a specific activity of 50 units/mg. If you have 2 mg of this enzyme, what is the total activity?
  • Step 1: Understand what specific activity means. It tells us how much activity (in units) is present in each milligram of the enzyme.
  • Step 2: Identify the specific activity given in the question, which is 50 units/mg.
  • Step 3: Identify the amount of enzyme you have, which is 2 mg.
  • Step 4: To find the total activity, multiply the specific activity by the amount of enzyme: 50 units/mg × 2 mg.
  • Step 5: Calculate the total activity: 50 × 2 = 100 units.
  • Specific Activity – Specific activity refers to the amount of enzyme activity per unit mass of enzyme, typically expressed in units per milligram.
  • Total Activity Calculation – Total activity is calculated by multiplying the specific activity by the total amount of enzyme present.
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