Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 248

Question 1236

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What is the function of the plasma membrane in terms of cell identity?

Generates heat
Absorbs sunlight
Stores fat
Helps in cell recognition

Question 1237

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What is the main reason why water requires special channels to pass through the membrane quickly?

It is too large
It is negatively charged
It is always bound to ions
It is polar and cannot pass efficiently through the hydrophobic core

Question 1238

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What is the primary function of the endomembrane system?

Generate ATP
Carry out photosynthesis
Control gene expression
Coordinate activities of membranous organelles

Question 1239

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What is the significance of the lipid bilayer being amphipathic?

It prevents any transport
It blocks ion flow
It makes the membrane rigid
It allows the membrane to form spontaneously in water

Question 1240

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What is the role of the middle lamella in plant tissue?

To allow cell division
To absorb water
To carry out photosynthesis
To bind adjacent cells together