Enzymes

This lesson describes the action of enzymes in the digestive system. We will observe a "model gut" experiment and evaluate this model.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.Where does most digestion take place?

1/7

Q2.Which digestive organ is responsible for churning our food?

2/7

Q3.Which of these are not an organ of the digestive system?

3/7

Q4.What is diffusion?

4/7

Q5.Which of the following are adaptations of the small intestine? Check three answers.

Select three (3) boxes

5/7

Q6.What is the surface area of this cube?

6/7

Q7.The cube was chopped up into smaller pieces. What is the total surface area of the cube now?

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.Where does most digestion take place?

1/7

Q2.Which digestive organ is responsible for churning our food?

2/7

Q3.Which of these are not an organ of the digestive system?

3/7

Q4.What is diffusion?

4/7

Q5.Which of the following are adaptations of the small intestine? Check three answers.

Select three (3) boxes

5/7

Q6.What is the surface area of this cube?

6/7

Q7.The cube was chopped up into smaller pieces. What is the total surface area of the cube now?

7/7

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

Your video will re-appear on the next page, and will stay paused in the right place.

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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Enzymes

This will assess your understanding of the knowledge gained in this lesson so far and your prior knowledge.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.Enzymes are like chemical...

1/7

Q2.Where is amylase first released in the digestive system?

2/7

Q3.What is the pH of the stomach?

3/7

Q4.Lipase is an enzyme that breaks down what type of foods?

4/7

Q5.What does semi-permeable mean?

5/7

Q6.In the visking-tubing model of chemical digestion and absorption, what results would we expect to observe when testing the water surround the tubing for starch and sugar?

6/7

Q7.Which of the following adaptations of the small intestine ensure a constant diffusion gradient between the small intestine and the bloodstream?

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Enzymes

This will assess your understanding of the knowledge gained in this lesson so far and your prior knowledge.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.Enzymes are like chemical...

1/7

Q2.Where is amylase first released in the digestive system?

2/7

Q3.What is the pH of the stomach?

3/7

Q4.Lipase is an enzyme that breaks down what type of foods?

4/7

Q5.What does semi-permeable mean?

5/7

Q6.In the visking-tubing model of chemical digestion and absorption, what results would we expect to observe when testing the water surround the tubing for starch and sugar?

6/7

Q7.Which of the following adaptations of the small intestine ensure a constant diffusion gradient between the small intestine and the bloodstream?

7/7

Lesson summary: Enzymes

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