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WorksheetsCellular transport
Total questions: 15
Worksheet time: 8mins
What are all the materials cells need?
food, water and oxygen
food, selzter and oxygen
food, water and carbon dioxide
water, air, fruit
What does selectively permeable mean?
lets all substances in
a double layer of molecules prevents some substances from passing through and keeps others out
keeps all substances out
a single layer of molecules prevents some substances from passing through and keeps others out
What are the 2 ways that substances can move into andout of a cell?
passive transport or negative transport
positive transport or negative transport
passive transport or active transport
positive transport or active transport
what are 3 ways that substances can move into and out of a cell?
diffusion, osmosis, transport
diffusion, osmosis, active transport
osmosis, wheat, negative transport
diffusion, osmosis, negative transport
In diffusion, what direction do molecules move
from lower to higher
from left to right
from higher to lower
from right to higher
What is osmosis
the diffusion of air molecules
the diffusion of water molecules
the diffusion of gas molecules
the diffusion of pizza molecules
In ______, water molecules diffuse through a selectively permeable membrane.
transport
diffusion
osmosis
potato chips
Lower concentration of water molecules outside the cell are:
normal
shrunken
swollen
concentration of water moleules is the same inside and outside the cell
shrunken
normal
swollen
high concentration of water molecules outside the cell
swollen
shrunken
normal
Two ways of moving things into and out of cells that do NOT need energy are _________ and ________
diffusion and transport
osmosis and transport
diffusion and osmosis
potato chips and guac
Moving materials through a cell membrane without using energy is called __________ transport
osmosisi
passive
negative
posittive
how does active transport differ from passive transport
Active transport moves molecules from an area of low concentration to an area of higher
Active does not require energy and passive does
Active requires energy and passive does not
Active transport moves molecules from and area of high concentration to an area of low
List 2 ways that the cell moves things by active transport
Transfer proteins carry molecules into and out of the cell
The cell membrane absorbs the particle
The cell membrane eats a particle
Positive proteins carry molecules into and out of the cell
true or false?: as a cell gets larger it takes longer for a molecule to reach the middle of the cell?
true
false
not sure
chips
