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Cell Membranes And Cell Walls
Test Description: Test review!
Instructions: Answer all questions to get your test result.
1) The cell membrane of a red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. Since other substances are blocked from coming in, this membrane is
A
non-conductive
B
permeable
C
semi-permable
D
perforated
2) Cells use passive and active transport to move materials across the cell membrane to keep a constant internal environment. What is this process called?
A
respiration
B
diffusion
C
evolution
D
homeostasis
3) If placed in a hypertonic solution, a plant cell will
A
burst
B
swell
C
remain constant in size
D
shrink in size
4) Which of these is a function of the cell membrane in all cells?
A
maintaining homeostais
B
preserving cellular wastes
C
neutralizing chemicals
D
producing cellular nutrients
5) Active transport performs which function in a cell?
A
equalizes the concentration of water inside and outside the cell
B
packages proteins for export from the cell
C
distributes enzymes throughout the cytoplasm
D
moves substances against a concentration gradient
6) What is the main function of the cell wall?
A
provide rigid structure for cell
B
store carbohydrates for later use
C
package proteins for export
D
carry out photosynthesis
7) Which transport process always involves the movement of materials from inside the cell to outside the cell?
A
exocytosis
B
phagocytosis
C
diffusion
D
endocytosis
8) A molecule that moves across a cell membrane without using the cell's energy tends to move
A
away from the area where it is less concentrated
B
away from the area where it is more concentrated
C
toward the area where it is more concentrated
D
away from the area of equilibrium.
9) Diffusion is the movement of a substance
A
only in liquids
B
from an area of high concentration to an area of low concentration
C
only air
D
only through the lipid bilayer
10) Molecules that are too large to moved through the cell membrane can be transported into the cell by
A
endocytosis
B
diffusion
C
exocytosis
D
osmosis
*select an answer for all questions
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