pH and enzymes (Part 1)

In this lesson we will look at how changing the pH affects enzyme activity.

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

pH and Enzymes 1

This quiz will assess your knowledge of pH and enzymes, and knowledge from previous lessons.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.The pH when enzyme activity is highest is called the _____________

1/6

Q2.Increasing the pH above the optimum pH ___________ enzyme activity.

2/6

Q3.Decreasing the pH below the optimum pH ___________ enzyme activity.

3/6

Q4.Increasing the temperature below the optimum ________ enzyme activity.

4/6

Q5.Increasing the temperature above the optimum ________ enzyme activity.

5/6

Q6.What is the independent variable when investigating how the pH affects enzyme activity.

6/6

Quiz:

pH and Enzymes 1

This quiz will assess your knowledge of pH and enzymes, and knowledge from previous lessons.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.The pH when enzyme activity is highest is called the _____________

1/6

Q2.Increasing the pH above the optimum pH ___________ enzyme activity.

2/6

Q3.Decreasing the pH below the optimum pH ___________ enzyme activity.

3/6

Q4.Increasing the temperature below the optimum ________ enzyme activity.

4/6

Q5.Increasing the temperature above the optimum ________ enzyme activity.

5/6

Q6.What is the independent variable when investigating how the pH affects enzyme activity.

6/6

Lesson summary: pH and enzymes (Part 1)

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