| Date | May 2015 | Marks available | 1 | Reference code | 15M.1.SL.TZ2.10 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Identify | Question number | 10 | Adapted from | N/A |
Question
How can the activity of a human amylase enzyme be increased during a laboratory experiment?
A. Adding sugar to the mixture
B. Decreasing the pH from 7 to 3
C. Increasing the temperature from 20 °C to 37 °C
D. Adding water to the mixture
Markscheme
C
Examiners report
The activity of an enzyme is reflected in its rate of reaction.
