Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 386

Question 1926

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What is facilitated diffusion?

Requires ATP
Involves endocytosis
Uses pumps
Passive transport using carrier proteins

Question 1927

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What is active transport?

Passive movement of water
Random diffusion
Simple filtration
Movement of molecules against concentration gradient

Question 1928

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What is osmosis?

Active transport of ions
Gas exchange
Light absorption
Diffusion of water across a membrane

Question 1929

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What is the plasma membrane made of?

Single layer of fat
Pure water
Solid crystal
Phospholipid bilayer with embedded proteins

Question 1930

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What is chromatin?

Cell membrane component
Energy molecule
Waste product
Uncoiled DNA-protein complex