CAIE A-Level Biology AS 4.1.1 Fluid Mosaic Membrane Model Questions
Explain the fluid mosaic model by relating phospholipids, proteins, cholesterol and carbohydrates to membrane roles.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain the fluid mosaic model of membranes and relate membrane components to their roles.
CAIE A-Level Biology AS 4.1.1 Fluid Mosaic Membrane Model Questions question 1
[Maximum number: 1]
What causes the phosphate heads of phospholipids to become polar?
A
The phosphate heads are joined to water molecules by hydrogen bonds.
B
The phosphate heads are insoluble in water.
C
The phosphate heads become ionised in water.
D
The phosphate heads are joined to water molecules by covalent bonds.
C
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