Cell Membranes

Describes the arrangement of the cell membrane as bendable and made of many parts. 

• The Fluid Mosaic Model 

• The Major Mobility Model 

• The Crazy Cell Model

• The Maze Model

___________ strengthens and stabilizes the cell membrane.

• Carbohydrates 

• Proteins 

• Phospholipids 

• Cholesterol

Letter Y is a

• phospholipid

• integral protein

• cholesterol

• carbohydrate chain

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

• 
• 
• 
• 

Which process involves the movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration?

• Diffusion

• Osmosis

• Active Transport

• Endocytosis

Which process describes the movement of water across a cell membrane from an area of low solute concentration to an area of high solute concentration?

• Osmosis

• Diffusion

• Active transport

• Endocytosis

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

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