Endocytosis — role?
Engulfs material into cell via membrane folding.
Cell transport — definition?
Movement of molecules across membranes.
Tonicity — effect?
Determines cell volume changes by water movement.
Passive vs active transport — difference?
Passive: no energy; active: requires energy.
Passive transport — definition?
Molecule movement without energy, down gradient.
Osmosis — water movement?
Water moves from low to high solute concentration.
Transport proteins — role?
Facilitate movement of large/charged molecules.
Endocytosis — process?
Bulk intake of materials into cell with vesicles.
Tonicity — cell volume effect?
Determines water flow and cell size change.
Facilitated diffusion — mechanism?
Uses specific proteins for large/charged molecules.
Teste tes connaissances avec un QCM de 9 questions sur Cell Transport Mechanisms.
1. What distinguishes passive transport from active transport in cell membrane processes?
2. Which of the following best describes passive transport in cell membranes?
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