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.
Test your knowledge with 10 questions on Cell Membrane and Cell Division Fundamentals.
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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