Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 227

Question 1131

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What is the significance of membrane asymmetry?

Equal composition on both sides
Same proteins on both sides
Random distribution of lipids
Different functions on either side of the membrane

Question 1132

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What is the role of cholesterol in the cell membrane?

Provides energy to the cell
Acts as a signaling molecule
Forms the cell wall
Maintains membrane fluidity

Question 1133

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What process occurs when a vesicle fuses with the plasma membrane and releases its contents?

Endocytosis
Osmosis
Facilitated diffusion
Exocytosis

Question 1134

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What organelle modifies and packages proteins for delivery?

Nucleus
Mitochondria
Ribosomes
Golgi apparatus

Question 1135

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What is the function of the endomembrane system?

Photosynthesis
Cell division
Energy production
Coordinate activities related to protein and lipid synthesis