Cell Membrane and Diffusion

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 molecule is pictured?

• Integral Protein

• Carbohydrate chain

• Phospholipid

Tags

NGSS.MS-PS1-1

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 

Tags

NGSS.MS-LS1-2

Hydrophilic means...

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

____ cells have a cell membrane.

• No

• All

• Only prokaryote

• Only eukaryote

Passive Transport is the movement of particles across the membrane from an area of [ ___ ] to an area of [ ___ ]

• high to low

• low to high

• low to low

• high to high

If material is too big to go through the cell membrane, special proteins HELP move molecules from high to low through the membrane. What is that called?

• active transport

• osmosis

• equilibrium

• facilitated diffusion

Tags

NGSS.MS-LS1-2

Diffusion & Facilitated Diffusion are both __________ transport.

• Passive

• Active

• Easy

• Free

What is DIFFUSION?

• 
• 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4