14 Questions
What is the function of the cell membrane?
Protects, identifies, regulates substance passage, communicates, and anchors cytoskeleton
Which structure improves stability and reduces fluidity in animal cell membranes?
Cholesterol
Which process involves the movement of macromolecules through vesicles?
Endocytosis
What is the movement of particles from higher to lower concentration called?
Diffusion
Which structure forms a bilayer with polar heads outward and nonpolar tails inward?
Phospholipids
What type of transport is energy-demanding and transfers substances from lower to higher concentration?
Active transport
What are the finger-like extensions on the cell membrane referred to as?
Microvilli
What is the process of vesicles releasing contents to the outside called?
Exocytosis
What type of molecules do vesicles engulf in pinocytosis?
Small particles
Which process involves the movement of solid particles through vesicles?
Phagocytosis
What type of molecules do vesicles engulf in phagocytosis?
Solid particles
Which type of transport assists in the movement of macromolecules through vesicles?
Active transport
What is the net movement of particles from higher to lower concentration called?
Diffusion
What are the finger-like extensions on the cell membrane referred to as?
Microvilli
Test your knowledge about the structure and components of the cell membrane, including phospholipids, cholesterol, proteins, and carbohydrates. Learn about the fluid mosaic model and the various functions of proteins in the cell membrane.
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