DP Chemistry (last assessment 2024)
Question 18M.3.hl.TZ2.a
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.3.hl.TZ2.a |
| Level | hl | Paper | 3 | Time zone | TZ2 |
| Command term | Sketch | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
18M.3.hl.TZ2.a
Hemoglobin contains an iron ion that can bind to oxygen as part of the process of respiration.
Hemoglobin’s oxygen dissociation curve is shown at a given temperature. Sketch the curve on the graph at a higher temperature.
[1]
Markscheme
curve below original curve «showing lower affinity for oxygen» beginning at 0
Award mark if end of student curve does not finish at same location as original curve.
[1 mark]