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Terms in this set (21)
A cell does not use any cellular energy in ...
If particles are moving down a concentration gradient, the particles are moving from ...
High to low concentrations
How is osmosis different from simple diffusion?
Osmosis moves only water molecules down a concentration.
The difference between concentrations across a cell membrane is a ...
The random movement of particles from high concentrations to low concentrations is ....
Which of the following uses a carrier protein?
If two solutions on opposite sides of a cell membrane both contain 10% solutes, these solutions are ...
Homeostasis refers to ...
A balanced internal environment
Which of these is not a type of passive transport?
A membrane that can allow a substance to pass through and stop others is a ... membrane.
A solution outside the cell with the same percentage of solute as the cells cytoplasm is a(n) ..... solution
A solution outside a cell has a greater percentage of solute than the cell's cytoplasm in a(n) .... solution
A solution outside the cell has a lower percentage of solute than the cell's cytoplasm is
a(n) ....... solution
Wilted lettuce can be made crisp again by placing the lettuce in cold water. Explain why this will work.
Water moves out of the lettuce by osmosis.
It appears that particles are moving down a concentration through a protein channel in the cell membrane, what kind of transport is taking place?
If a cell is placed in a hypotonic solution, the cell will swell up and might burst. Why will this happen?
water enters the cell
If the extracellular fluid around your cells suddenly became hypertonic, what would happen to the cells of your body?
the cells would shrink
If a cell is placed in solution and swell up, what do you know about the concentration of solutes in the solution compared to the concentration of solutes inside the cell?
The percentage of solute is higher
Which of the following requires a cell to use its own energy?
Which of the following is not a type of active transport?
How does endocytosis and exocytosis move bulk material across the cell membrane?
the both use vesicles
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Active and Passive Transport in Cells
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