Membranes

___________ strengthens and stabilizes the cell membrane.

• Carbohydrates 

• Proteins 

• Phospholipids 

• Cholesterol

Letter Y is a

• phospholipid

• integral protein

• cholesterol

• carbohydrate chain

A phospholipid has 2 parts. What are they called? 

• Hydrophilic Head, Hydrophobic Tail 

• Hydrophobic Head, Hydrophilic Tail 

Which is a cholesterol?

• a

• b

• c

• d

Which image correctly shows the way phospholipids arrange themselves in the cell (plasma) membrane?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-2

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

The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called

• perforated

• semi-permeable

• non-conducive

• permeable

Tags

NGSS.MS-LS1-2

The diffusion of water across a selectively permeable membrane is called 

• active transport

• facilitated diffusion

• osmosis

• phagocytosis

What type of solution is this cell in?

• Isotonic

• Hypertonic

• Hypotonic

• diffused

Tags

NGSS.HS-LS1-3

What is a difference between diffusion and facilitated diffusion?

• movement of particles from [high] to [low]

• a protein "helper"

• movement of particles from [low] to [high]

• energy