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Homeostasis And Transport (2)
Test Description: Biology Chapter 5 Review
Instructions: Answer all questions to get your test result.
1) The contractile vacuole in a paramecium should be active when it is in
A
an isotonic environment
B
any environment
C
a hypertonic environment
D
a hypotonic environment
2) The process in which substances move down their concentration gradient across the cell membrane with the assistance of carrier proteins is
A
endocytosis
B
the transport through ion channels
C
active transport
D
facilitated diffusion
3) The energy needed to power the sodium-potassium pump is provided by the
A
formation of ATP
B
transport of ATP by the pump
C
binding of ATP to the pump
D
splitting of ATP
4) A way for cells to release large molecules, like proteins, is
A
diffusion
B
endocytosis
C
cytolysis
D
exocytosis
5) The movement of molecules from an area of higher concentration to an area of lower concentration is
A
endocytosis
B
exocytosis
C
active transport
D
diffusion
6) A plant cell will undergo plasmolysis when it is in a
A
hypotonic solution
B
hypertonic solution
C
isotonic solution
D
pure water solution
7) What part of the cell do materials have to pass through to enter and exit all cells?
A
The nucleus
B
The cell membrane
C
The cell wall
D
A vesicle
8) The part of the cell that functions to maintain homeostasis relative the cell's environment is the
A
golgi apparatus
B
cytosol
C
nucleus
D
cell membrane
9) When the cells in a plant have low turgor pressure, the plant
A
wilts
B
explodes
C
dies
D
is rigid
10) A cell must expend energy to transport substances using
A
cell membrane pumps
B
facilitated diffusion
C
ion channels
D
osmosis
11) Some animal cells engulf, digest, and destroy invading bacteria through the process of
A
phagocytosis
B
all of the above
C
pinocytosis
D
exocytosis
*select an answer for all questions
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