CourseCourseConceptConceptDocumentDocument

CAIE A-Level Biology AS 4.2.1 Membrane Transport Processes Questions

Explain membrane transport processes by relating concentration gradients, membrane proteins and energy use to movement across membranes.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Explain membrane transport processes, including diffusion, osmosis, facilitated diffusion and active transport.

CAIE A-Level Biology AS 4.2.1 Membrane Transport Processes Questions question 1

[Maximum number: 1]

The statements describe some events in the process of exocytosis of glycoprotein molecules.
1 Membrane of the Golgi body folds around glycoprotein molecules.
2 Vesicle binds to and fuses with the cell surface membrane.
3 Vesicle attached to microtubules moves through the cytoplasm.
4 Secretory vesicle forms.
What is the correct order of events for exocytosis?

A

1→4→2→31 \rightarrow 4 \rightarrow 2 \rightarrow 3

B

1→4→3→21 \rightarrow 4 \rightarrow 3 \rightarrow 2

C

2→3→1→42 \rightarrow 3 \rightarrow 1 \rightarrow 4

D

4→1→3→24 \rightarrow 1 \rightarrow 3 \rightarrow 2

All question bank results loaded