Download Cell Membrane: Use the cell defense membrane app to help you

Cell Membrane: Use the cell defense membrane app to help you answer the questions below.
The cell membrane is also called the…
Which molecules cannot pass through the membrane
easily? Why?
Why do cells depend on the cell membrane?
What are channel proteins? What purpose do they
serve?
What will happen if the cell membrane doesn’t
function properly?
In which direction do molecules move?
Draw and label the cell membrane.
This is called _________________.
When channel proteins are used it is called
Diagram a phospholipid and label and define the
hydrophilic head and hydrophobic tail.
What role does cholesterol play in the membrane?
What does selectively permeable mean? Why is this
important?
______________ diffusion.
If a cell wants to move a substance from an area of
low concentration to an area of high concentration,
what does it need?
When substances are moved “against the flow” this is
called
___________________________________.
_______________ proteins and
________ (energy) are used.
What purpose do carbohydrates serve?
What did you observe?
Why can these substances pass through easily?
Why are carbohydrates important to the immune
system?