| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.HL.TZ1.2 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 2 | Adapted from | N/A |
Question
Which evidence falsifies the Davson–Danielli model?
I. The presence of globular proteins within the phospholipid bilayer
II. Non-polar amino acids cause proteins to remain embedded in membranes
III. Membrane proteins remain in a fixed position inside a membrane
A. I only
B. I and II only
C. II and III only
D. I, II and III
Markscheme
B
Examiners report
[N/A]
