DP Biology (first assessment 2025)
Question 19N.1A.HL.TZ0.30
Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.1A.HL.TZ0.30 |
Level | HL | Paper | 1A | Time zone | TZ0 |
Command term | Determine | Question number | 30 | Adapted from | N/A |
30.
[Maximum mark: 1]
19N.1A.HL.TZ0.30
The diagram shows the link reaction between glycolysis and the Krebs cycle.
[Source: © International Baccalaureate Organization 2019]
Which type of reaction is occurring?
A. Pyruvate is carboxylated.
B. CO2 is oxidized.
C. NAD+ is reduced.
D. Pyruvate is phosphorylated.
[1]
Markscheme
C
