10 Questions
What process do animal cells use to control their volume by maintaining a cytosol isotonic to the extracellular environment?
Active transport
Which of the following ions would attract charged macromolecules and small metabolites into animal cells?
Ca2+
In plant cells, what prevents significant changes in cell volume when placed in a hypotonic solution?
Rigid cell wall
What is the primary purpose of the Na+/K+ pump in animal cells?
Control cell volume
What could happen to an animal cell if too many solutes enter, causing an increase in cytosolic solute concentration?
Cell lysis
Which process requires energy in the form of ATP to export ions from animal cells?
Active transport
In plant cells placed in a hypotonic solution, what increases without causing a significant change in cell volume?
Turgor pressure
Which ion leakage contributes to the slow leakage of water into animal cells down their concentration gradient?
Cl-
What type of transport removes Na+ from animal cells and prevents cell lysis?
Active transport
What attracts ions of opposite charge inside many animal cells?
Charged macromolecules
Test your knowledge on how cells regulate osmotic pressure to prevent damage or dehydration. Learn about the importance of controlling solute concentration inside and outside the cell.
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