Cell membrane and Diffusion

How does a cell maintain homeostasis?

• Regulates what enters and leaves the cell
• Flexibility
• Protective barrier
• Structure and support

Tags

NGSS.HS-LS1-3

Another term for equilibrium is...

• Equality
• Babycakes
• Homeostasis
• Balance

Tags

NGSS.HS-LS1-3

Identify the part of the membrane identified as A.

• carbohydrate
• cholesterol
• protein
• phospholipid

Tags

NGSS.MS-LS1-2

The function of the plasma 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 molecule is pictured?

• Integral Protein

• Carbohydrate chain

• Phospholipid

What type of transport is this?

• facilitated diffusion
• active transport
• diffusion
• osmosis

Something is ___________ ____________
when some molecules can cross the membrane while others cannot. 

• Selectively (or Semi) Permeable 
• Totally Transparent
• Liquid Licorice 
• Heavily Patrolled 

Which is true about active transport?

• It requires energy
• it does not require energy
• It moves substances down the concentration gradient
• it moves material from high to low concentration

Hydrophilic means...

• water-loving
• water-fearing
• nonpolar
• lipid soluble

Hydrophobic region of the cell membrane?

• E
• B
• C
• A 

Tags

NGSS.MS-LS1-2