Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 234

Question 1166

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What is the role of the plasma membrane in endocytosis?

Releasing ATP
Breaking down DNA
Storing ions
Engulfing external materials to form vesicles

Question 1167

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What is the main function of aquaporins?

Transport ions
Synthesize ATP
Produce proteins
Facilitate the movement of water across the membrane

Question 1168

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What is the role of glycoproteins in the cell membrane?

Energy production
DNA replication
Protein synthesis
Cell recognition and signaling

Question 1169

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Which of the following is a characteristic of the fluid mosaic model?

Membrane is rigid and static
All proteins span the entire membrane
Membrane is entirely hydrophilic
Membrane proteins float in a lipid bilayer

Question 1170

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What is the correct order of cell wall layers from outermost to innermost in a mature plant cell?

Primary wall → Middle lamella → Secondary wall
Secondary wall → Primary wall → Middle lamella
Middle lamella → Secondary wall → Primary wall
Middle lamella → Primary wall → Secondary wall