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WorksheetsThe Cell in Its Environment
Total questions: 10
Worksheet time: 3mins
What part of the cell controls how materials move into or out of the cell?
nucleus
golgi apparatus
cell membrane
cell wall
Cell membranes are made up primarily of _______.
chains of carbohydrates
nucleic acids
spike protein chains
a double layer of lipid molecules
What does selectively permeable mean?
all materials are able to get through
some materials are able to get through
no materials are able to get through
it's unbreakable
Which of the following are modes of passive transport?
diffusion
facilitated diffusion
osmosis
all of the above
none of the above
The movement of dissolved materials across a cell membrane without using the cell's energy is called _______.
passive transport
active transport
diffusion
osmosis
In diffusion, molecules move
in random directions
from areas of low concentration to areas of high concentration
from areas of high concentration to areas of low concentration
away from solutes
_______ is the diffusion of water molecules across a selectively permeable membrane.
active transport
diffusion
osmosis
facilitated diffusion
In facilitated diffusion proteins form channels through which ________ can pass through the membrane.
sugars
lipids
nucleic acids
water molecules
_______ is the movement of materials across a cell membrane using cellular energy.
passive transport
facilitated diffusion
active transport
osmosis
_______ is the process by which the vacuole surrounding particles fuses with the cell membrane, forcing the contents out of the cell.
diffusion
osmosis
endocytosis
exocytosis
