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