DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.21b
| Date | November 2017 | Marks available | [Maximum mark: 2] | Reference code | 17N.3.HL.TZ0.21b |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Distinguish | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
17N.3.HL.TZ0.21b
(b)
Distinguish between the structure of liver sinusoids and capillaries.
[2]
Markscheme
a. sinusoids have open pores/fenestrations/discontinuous endothelium and capillary endothelium is continuous/does not contain fenestrations
b. Kupffer cells are located inside sinusoids but not in capillaries
c. sinusoids larger in diameter/wider than capillaries
[Max 2 Marks]
