The effect of pH on the rate of an enzyme reaction: practical

12 questions

1. What is starch made of?
2. What is the enzyme that catalyses the breakdown of starch into maltose?
3. Match the variable to its description for the investigation 'Investigating the effect of changing pH on the rate of enzyme reaction'.
4. Is this a positive or negative test for starch?
5. Who best describes what rate of reaction is?
6. Order these steps to show how you would carry out an investigation into the effect of changing temperature on the rate of an enzyme-controlled reaction.
7. Which piece of equipment would you use in this practical to heat the test tubes of starch and amylase to a specific temperature?
8. What is collecting data at accurately timed intervals know as?
9. What is formed when amylase digests starch?
10. What is this piece of equipment called?
11. Iodine solution is an irritant. What piece of safety equipment should be warn when using it?
12. What is this piece of equipment used for?

License: OGL