Biology CLEP Prep Practice Exam

Question: 1 / 400

What process allows cells to actively transport substances against their concentration gradient?

OSMOSIS

Diffusion

Endocytosis

Active transport

Active transport is the only process listed that involves active and energy-requiring transport of substances against their concentration gradient. Osmosis, diffusion, and endocytosis are all passive processes that do not require energy and only move substances along their concentration gradient. This is why they are incorrect choices.

Get further explanation with Examzify DeepDiveBeta
Next Question

Report this question

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy