PhysioEx Lab Report Exercise 8: Chemical and Physical Processes of Digestion Activity 1: Assessing Starch Digestion by Salivary Amylase

2/20/26, 3:23 PM PhysioEx Exercise 8 Activity 1



PhysioEx Lab Report
Exercise 8: Chemical and Physical Processes of Digestion
Activity 1: Assessing Starch Digestion by Salivary Amylase
Name: Morris
Date: 20 February 2026
Session ID: session

Pre-lab Quiz Results
You scored 100% by answering 6 out of 6 questions correctly.

1 The substrate for amylase is

You correctly answered: starch and carbohydrate.

2 Which of the following is true of enzymes?

You correctly answered: Their activity can be affected by temperature and pH.

3 The reagent IKI tests for the presence of
You correctly answered: starch.

4 Which of the following is not true of controls?

You correctly answered: A negative result with a positive control is required to validate the
test.

5 Which of the following is an end product of starch digestion?

You correctly answered: maltose and glucose.

6 Hydrolases are enzymes that break down large molecules into smaller subunits through the
addition of .

You correctly answered: water.


Experiment Results
Predict Question
1 Predict Question: What effect do you think boiling and freezing will have on the activity of
the amylase enzyme?

Your answer: Boiling will decrease amylase activity and freezing will have no effect.


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