Active Transport

Active Transport

Active transport is the energy-requiring process of pumping molecules and ions across membranes "uphill" - against a concentration gradient.

CK-12 (High School)

ESSENTIAL QUESTION:

How does cell transport help an organism maintain homeostasis?
STANDARDS:
RST.2 - Main Ideas, RST.4 - Key Terms

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,3
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