DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ2.13b(ii)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ2.13b(ii) |
| Level | hl | Paper | 3 | Time zone | TZ2 |
| Command term | Sketch | Question number | b(ii) | Adapted from | N/A |
b(ii).
[Maximum mark: 1]
19M.3.hl.TZ2.13b(ii)
Hemoglobin contains heme groups with the porphyrin ring bound to an iron(II) ion.
A hemoglobin’s oxygen dissociation curve is shown.
(b(ii))
Sketch another line to show the effect of an increase in body temperature on the oxygen saturation of hemoglobin.
[1]
Markscheme
Examiners report
Many candidates were able to sketch another line to show the effect of an increase in body temperature on the oxygen saturation of haemoglobin.
