Study TipsJune 18, 20263 min read
MDCAT Membrane Transport 2026
Premeth Team
Meth Experts
Cell membrane transport: passive (no ATP) vs active (ATP-required).
Passive Transport
- Diffusion (high → low concentration)
- Osmosis (water through semipermeable membrane)
- Facilitated diffusion (via channel proteins, no ATP)
Active Transport
- Na+/K+ pump: 3 Na out, 2 K in per ATP
- Endocytosis (phagocytosis, pinocytosis, receptor-mediated)
- Exocytosis (secretion)
Related Tags
#MDCAT#Biology#Membrane Transport
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