Multiple Choice
In passive transport, the principal force driving net movement of molecules during diffusion across a membrane is the:
10
views
9. Transport Across Membranes
Passive Transport: Diffusion and Osmosis
Struggling with Cell Biology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which statement best describes how the magnitude of a concentration gradient affects the net rate of diffusion across a membrane in passive transport?
A
A steeper concentration gradient produces a faster net diffusion rate.
B
Net diffusion occurs only when solute concentrations are equal on both sides of the membrane.
C
The net diffusion rate is independent of the concentration gradient as long as the temperature is constant.
D
A steeper concentration gradient produces a slower net diffusion rate.
Related Videos
Related Practice
Passive Transport: Diffusion and Osmosis practice set
Problem sets built by lead tutorsExpert video explanations