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Plasma Membrane Structure Exam Questions and Answers 100% Solved

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Plasma Membrane Structure Exam Questions and Answers 100% Solved list the 4 specific functions of the plasma membrane - physical barrier selective permeability electrochemical gradients communication plasma membrane is also called the _____ or _____ - cell membrane, plasmalemma what are the...

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  • October 9, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Plasma Membrane
  • Plasma Membrane
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Plasma Membrane Structure Exam

Questions and Answers 100% Solved


list the 4 specific functions of the plasma membrane - ✔✔physical barrier

selective permeability

electrochemical gradients

communication

plasma membrane is also called the _____ or _____ - ✔✔cell

membrane, plasmalemma

what are the 4 components of the plasma membrane? -

✔✔phospholipids (bilayer)

cholesterol

proteins (integral and peripheral)

carbohydrates

carb chain attached to the membrane phospholipids is called - ✔✔a

glycolipid

carb chain attached to the membrane proteins is called - ✔✔glycoprotein

the two parts of a phospholipid are - ✔✔1. the polar head group

, 2. the nonpolar fatty acid chains (2- sat or unsat)

amphipathic means - ✔✔2 parts- hydrophilic and hydrophobic

the fatty acid chains in a phospholipid are called (abrv) - ✔✔LCFA

long chain fatty acids

hydrophilic head group faces - ✔✔the water based substance (outside)

the chains face - ✔✔the inside, towards each other (away from water)

straight chains are - ✔✔saturated

kinked chains are - ✔✔unsaturated

the outer layer that faces the extracellular compartment is called the -

✔✔E-face

the inner layer that faces the cytoplasm is called - ✔✔P-face

fluidity is important for - ✔✔exocytosis

endocytosis

membrane trafficking

membrane biogenesis

fluidity increases with - ✔✔an increase in temperature

a high number of kinked (unsaturated) fatty acid chains

fluidity decreases with - ✔✔a decrease in temperature

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