Cell membrane — structure?
Phospholipid bilayer with embedded proteins.
Cell membrane — key components?
Phospholipid bilayer and embedded proteins.
Membrane transport — types?
Diffusion, osmosis, facilitated diffusion, active transport.
Diffusion vs Osmosis — difference?
Diffusion: molecules; Osmosis: water movement.
Diffusion, osmosis — difference?
Diffusion moves molecules; osmosis moves water.
Active transport — energy used?
Yes, requires cellular energy (ATP).
Tonicity — effect on cells?
Determines water movement and cell volume.
Sodium-Potassium Pump — function?
Maintains ion balance and cell potential.
Cell division — primary reasons?
Growth, repair, and reproduction.
Mitosis vs Meiosis — difference?
Mitosis: identical cells; Meiosis: genetic variation.
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1. What is the fundamental structure of the cell membrane?
2. What is the fundamental structure of the cell membrane as described by the fluid mosaic model?
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