Cell Membrane

All cells have a:

• Nucleus

• Membrane

• Cell wall

• Cholorplast

Tags

NGSS.MS-LS1-2

The function of the cell membrane is....

• to regulate what enters and leaves the cell.

• fight bacteria and viruses that enter the cell.

• provide rigid support and protection to the cell.

• make sure each cell can move

Tags

NGSS.MS-LS1-2

What is NOT TRUE about the cell membrane

• It controls what enters and leaves the cell
• Semipermeable
• Phospholipid bilayer
• Contains digestive enzymes

What does "bilayer" mean?

• one layer
• two layers
• laminated
• bilateral

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids

What do the brown structures represent?

• Phospholipids
• Glycoproteins
• Channel Proteins 
• Cyctoskeleton Filaments

Tags

NGSS.MS-LS1-2

Which part of the phospholipids is hydrophilic?

• Phosphate head

• Fatty Tails

• The whole thing

• Protein channel

Tags

NGSS.MS-LS1-2

___________ allow cells to recognize each other and act like ID tags. 

• Carbohydrates 
• Proteins
• Phospholipids 
• Cholesterol

Label the membrane parts that are red (middle), green (left), and yellow (right).

b

c

d

receptor

bilayer

carbohydrate flag

protein channel

cholesterol

Tags

NGSS.MS-LS1-2

Membranes are

• flexible

• semi-permeable

• square

• rigid