CELL MEMBRANE-TRANSPORT PROTEINS
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SUMMARY
DIVIDED BY: NUMBER OF SUBSTANCES
1. 3 broad types: uniports (transport only one substance), symports (transport multiple substances simultaneously), antiports (exchange substances)
DIVIDED BY: MECHANISM OF ACTION
2. Ion channels: volatage-gated, intracellular ligand-gated, extracellular ligand-gated, mechano-sensitive, simple-aqueous
3. Carriers: facilitated diffusion (moving molecules along their electro-chemical gradients, no energy required), active transport (moving molecules against their electro-chemical gradients, energy from ATP required)
Reference(s)
Barrett, K.E., Barman, S.M., Brooks, H.L., X, J. and Ganong, W.F. (2019). Ganong’s review of medical physiology. 26th ed. New York: Mcgraw-Hill Education
