Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 242

Question 1206

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Which part of the cell wall is the first to develop in a growing plant cell?

Secondary wall
Middle lamella
Tertiary wall
Primary wall

Question 1207

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What makes the cell membrane semi-fluid?

Rigid protein scaffolding
Solid phospholipid layer
DNA strands within the membrane
Lipid bilayer with mobile proteins

Question 1208

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What is the function of the plasma membrane in secretion?

Storing secretions
Generating ATP
Synthesizing hormones
Transporting molecules out of the cell

Question 1209

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How does the Na+/K+ pump maintain ion balance in cells?

By letting ions diffuse freely
By storing ions in vacuoles
By blocking ion movement
By transporting sodium out and potassium into the cell

Question 1210

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What is the main difference between simple diffusion and facilitated diffusion?

Facilitated diffusion requires ATP
Simple diffusion uses proteins
Facilitated diffusion uses carrier proteins
They are the same process