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Questions and Answers
What process do animal cells use to control their volume by maintaining a cytosol isotonic to the extracellular environment?
What process do animal cells use to control their volume by maintaining a cytosol isotonic to the extracellular environment?
- Facilitated diffusion
- Endocytosis
- Active transport (correct)
- Osmosis
Which of the following ions would attract charged macromolecules and small metabolites into animal cells?
Which of the following ions would attract charged macromolecules and small metabolites into animal cells?
- K+
- Ca2+ (correct)
- Cl-
- Na+
In plant cells, what prevents significant changes in cell volume when placed in a hypotonic solution?
In plant cells, what prevents significant changes in cell volume when placed in a hypotonic solution?
- Nucleus structure
- Rigid cell wall (correct)
- Cell membrane permeability
- Cytoplasmic enzymes
What is the primary purpose of the Na+/K+ pump in animal cells?
What is the primary purpose of the Na+/K+ pump in animal cells?
What could happen to an animal cell if too many solutes enter, causing an increase in cytosolic solute concentration?
What could happen to an animal cell if too many solutes enter, causing an increase in cytosolic solute concentration?
Which process requires energy in the form of ATP to export ions from animal cells?
Which process requires energy in the form of ATP to export ions from animal cells?
In plant cells placed in a hypotonic solution, what increases without causing a significant change in cell volume?
In plant cells placed in a hypotonic solution, what increases without causing a significant change in cell volume?
Which ion leakage contributes to the slow leakage of water into animal cells down their concentration gradient?
Which ion leakage contributes to the slow leakage of water into animal cells down their concentration gradient?
What type of transport removes Na+ from animal cells and prevents cell lysis?
What type of transport removes Na+ from animal cells and prevents cell lysis?
What attracts ions of opposite charge inside many animal cells?
What attracts ions of opposite charge inside many animal cells?
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