Glencoe Biology

Section 4: Cellular Transport

Self-Check Quizzes

1.
What describes transport proteins moving molecules across the plasma membrane?
A)diffusion
B)osmosis
C)dynamic equilibrium
D)facilitated diffusion
2.
Which of these describes continuous particle movement with no overall change in concentration?
A)selective permeability
B)facilitated diffusion
C)osmosis
D)dynamic equilibrium
3.
The animal cells below were placed in a hypotonic solution. What happened to the damaged cell?
A)Osmosis was prevented in the cell.
B)Osmosis caused the cell to shrivel.
C)Osmotic pressure caused the cell to rupture.
D)The cell was damaged by bacteria.
4.
Which of the following is not true of exocytosis?
A)results in hormone secretion
B)does not require energy input
C)allows waste matter to be expelled
D)occurs at the plasma membrane
5.
Why does misting fruits and vegetables with water help them look fresh?
A)Vacuoles fill with water due to osmosis.
B)Plant cells in a hypotonic solution lose water.
C)Plants do not have a rigid cell wall.
D)Water cannot move through the cell membrane.
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