Cell Membrane

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

What is embedded in the phospholipid bilayer?

• proteins
• salt
• water

Tags

NGSS.MS-LS1-2

What forms the channels and pumps in the phospholipid bilayer?

• carbohydrates
• proteins
• hydrophilic heads 
• lipids

What are the carbohydrates in the cell membrane for?

• to form channels and pumps
• to help cells identify one another
• to make the membrane strong

This is a balance that organisms maintain through self-regulating adjustments

• bilayer
• homeostasis
• secretions

Tags

NGSS.HS-LS1-3

True or false:  Regulating what enters and leaves the cell helps the cell maintain homeostasis. 

• True
• False

Tags

NGSS.HS-LS1-3

True or false:  Some things are not allowed to enter the cell at all. 

• True
• False

The cell is an _____ system.  It requires the constant inflow of matter and energy and outflow of waste. 

• closed
• open
• false
• circulatory

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

True or false:  The cell has no control over the speed of items entering and leaving its membrane. 

• True
• False