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10 questions
What type of biomolecule is the main component of the cell membrane?
nucleic acid
carbohydrate
lipid
protein
This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?
Phosphate "head"
Lipid "tails"
Where can proteins be found in the cell membrane?
On the outside
On the inside
Embedded on top
Channel all the way through
All of the above
What type of cell is this?
Animal
Plant
Prokaryote
Eukaryote
What is function of cholesterol in the cell membrane?
To make the membrane flexible
To attract water molecules
To control the effects of temperature changes
To allow nutrients and other essential molecules into the cell
The cell membrane is "semi-permeable". What does this mean?
Provide rigid support and protect the cell
Fight bacteria and viruses that enter the cell
Make sure cell can move
To control what enters and leaves the cell
What type of cell is this?
Prokaryote
Eukaryote
Hydrophilic portion of the cell membrane?
A
C
D
E
What type of cell is this?
Prokaryote
Animal
Plant
Predict which direction the majority of molecules will move in this image
To the left
To the right
Equal amounts left and right
Molecules won't move at all
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