Cell Membranes (HSC SSCE Biology): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Fluid mosaic model proposers & year
Fluid mosaic model proposers & year
Singer and Nicolson, 1972
Selectively permeable means
Selectively permeable means
Allows only certain molecules/ions to pass through
'Fluid' in fluid mosaic model
'Fluid' in fluid mosaic model
Ability to flow & change shape like 2D liquid
'Mosaic' in fluid mosaic model
'Mosaic' in fluid mosaic model
Pattern of various proteins embedded in membrane
Hydrophilic means
Hydrophilic means
Water-loving; can absorb or dissolve in water
Hydrophobic means
Hydrophobic means
Water-hating; avoids water, cannot dissolve in it
Phospholipid bilayer arrangement
Phospholipid bilayer arrangement
Heads OUT (toward water), tails IN (away from water)
Cholesterol function in membrane
Cholesterol function in membrane
Increases flexibility; allows bending without breaking
Transport proteins function
Transport proteins function
Allow specific substances to move across membrane via pores
Recognition proteins (glycoproteins) role
Recognition proteins (glycoproteins) role
Display antigens/markers for immune system identification