Date | November 2016 | Marks available | 2 | Reference code | 16N.2.HL.TZ0.3 |
Level | Higher level | Paper | Paper 2 | Time zone | TZ0 |
Command term | Identify | Question number | 3 | Adapted from | N/A |
Question
Identify the following processes as either anabolism or catabolism by placing a tick (√) in the correct box.
[2]
a.
Outline the importance of enzymes to metabolic processes.
[4]
b.
Markscheme
a.
a. increase rate of reaction/speed up reaction
b. lower activation energy
c. a specific enzyme for each reaction/substrate
d. metabolic process/pathway blocked if an enzyme is inhibited/absent
e. end-product inhibition can control metabolic pathways
f. differences in metabolism as cells produce different enzymes during differentiation
b.
Examiners report
[N/A]
a.
[N/A]
b.
Syllabus sections
Additional higher level » Topic 8: Metabolism, cell respiration and photosynthesis » 8.3 Photosynthesis
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