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Homeostasis and Cell Transport
Homeostasis and Cell Transport
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A #biology #quiz to review the basics of #homeostasis and cell transport.
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
When the concentration of molecules is evenly dispersed, it is said to have reached equilibrium
True
False
2
______________ is the maintenance of a constant environment.
Concentration gradient
Hypotonic
Hypertonic
Homeostasis
3
The movement of water across a semi-permeable membrane.
Diffusion
Endocytosis
Osmosis
Cytolysis
4
The difference in concentration between two areas is called a _________________.
Diffusion gradient
Equilibrium
Homeostasis
Concentration gradient
5
When the concentration of solutes outside of the cell is lower than inside, water will...
Move out of the cell
Move in and out
Not move
Move into the cell
6
Facilitated diffusion involves the use of _______ to help move molecules in or out of the cell.
Doesn't require any help.
ATP
Carrier proteins
7
When the solution outside the cell is isotonic, water will _____________.
Move in and out
Move into the cell
Not move
Move out of the cell
8
___________ is the movement of large molecules into the cell.
Endocytosis
Exocytosis
Diffusion
Osmosis
9
Which of the following is NOT true of active transport.
Can use carrier molecules or pumps to move material
Endocytosis and exocytosis are examples
Moves material from high to low concentration
Requires energy
10
Where will water go when a cell is in a hypertonic solution?
Both directions
Out of the cell
Water will not move
Into the cell
11
Movement of molecules form an area of higher concentration to an area of lower concentration.
Osmosis
Diffusion
Endocytosis
Exocytosis
12
Passive transport requires energy.
True
False
13
Active transport requires energy.
True
False
14
A sodium-potassium pump transports...
3 K+ ions out and 2 Na+ ions in
Moves only Na+ ions out of the cell.
3 Na+ ions out and 2 K+ ions in
15
__________ involves the release of materials outside of a cell using a vesicle.
Endocytosis
Phagocytosis
Pinocytosis
Exocytosis
