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15 questions
What are the two types of cell transport?
Passive and Active
Active and Facilitated
Passive and Facilitated
None of the above
In passive transport, substances move across the cell membrane ________ the concentration gradient
AGAINST
ALONG
WITH
BETWEEN
Which example describes diffusion?
Water moving across a semi-permeable membrane
Baking cookies and smelling them throughout the house
Ions moving through an ion channel
All of the above
What macromolecule is embedded into the lipid bilayer and helps to transport molecules?
Carbohydrate
Lipid
Protein
Nucleic Acid
Which describes a hypotonic environment?
Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell
Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell
Concentrations of water are equal inside and outside the cell
Which describes a hypertonic environment?
Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell
Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell
Concentrations of water are equal inside and outside the cell
Which describes an isotonic environment?
Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell
Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell
Concentrations of water are equal inside and outside the cell
The movement of particles from an area of high concentration to an area of low concentration
active transport
osmosis
diffusion
random movement
When material passes into and out of a cell at equal rates and there is no difference in concentration between the inside and outside of the cell, the cell is in a state of...
dynamic equilibrium
diffusion
osmosis
active transport
If a cell is placed in an environment with MORE oxygen OUTSIDE the cell than inside, the cell will...
gain oxygen
lose oxygen
gain water
lose water
The movement of materials that does NOT require energy is called...
active transport
passive transport
massive transport
proactive transport
The movement of materials that requires energy is called...
active transport
passive transport
massive transport
proactive transport
The movement of materials from an area of low concentration to an area of high concentration would require...
glucose
energy (ATP)
fish
chips
A process in which cells surround and engulf substances that are TOO BIG to enter the cell is known as...
Pinocytosis
Phagocytosis
Endocytosis
Receptor-mediated
When a cell forms a vesicle around unwanted particles and expels it OUT of the cell.
Pinocytosis
Endocytosis
Receptor-mediated
Exocytosis
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