5 Written questions
5 Matching questions
- carrier protein
- sodium-potassium pump
- a the bursting of a cell.
- b a method of active transport across the cell membrane in which the cell takes in extracellular fluids.
- c a protein that transports substances across a cell membrane.
- d a carrier protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell.
- e describes a solution whose concentration is equal to the solute concentration inside a cell.
5 Multiple choice questions
- describes a solution whose solute concentration is higher than the solute concentration inside a cell.
- the movement of substances across a cell membrane without the use of energy by the cell.
- in biology, a state that exists when the concentration of a substance is the same throughout a space.
- a difference in the concentration of a substance across a distance.
- the pressure that is exerted on the inside of cell walls and that is caused by the movement of water into the cell.
5 True/False questions
phagocytosis → the process by which a cell engulfs large particles or whole cells, either as a defense mechanism or as a means to obtain food.
endocytosis → the process by which a cell membranes surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.
vesicle → a cell that ingests and destroys (digests) foreign matter or microorganisms.
hypotonic → describes a solution whose solute concentration is lower than the solute concentration inside a cell.
plasmolysis → the contraction or shrinking of the cell membrane of a plant cell in a hypertonic solution in response to the loss of water by osmosis.