Learning Objectives
You should be able to:
(a) define what an enzyme is (b) explain enzyme action in terms of the ‘lock and key’ hypothesis. (c) explain the mode of action of enzymes in terms of an active site, enzyme-substrate complex, lowering of activation energy and enzyme specificity. (d) investigate and explain the effects of temperature and pH on the rate of enzyme catalysed reactions. |
Home-based Research & Learning
What are Enzymes?
Watch the video below and take note of the following:
- What are enzymes?
- Why do we need enzymes?
- What are the characteristics of enzymes?
- What are some examples of enzymes?