DP Biology (last assessment 2024)
Question 18M.3.SL.TZ1.8d
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.SL.TZ1.8d |
| Level | SL | Paper | 3 | Time zone | TZ1 |
| Command term | Explain | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 2]
18M.3.SL.TZ1.8d
(d)
Explain the significance of pathway engineering in the industrial use of microorganisms.
[2]
Markscheme
a. used to produce specific metabolites/chemicals/substances
b. used to create/maintain optimum conditions for microorganism growth/maximum yield
c. remove by-products / block competing pathways
d. introduce new genes that increase efficiency/yield
