Cell membrane and transport

What forms the channels and pumps in the phospholipid bilayer?

• carbohydrates
• proteins
• hydrophilic heads 
• lipids

What does "bilayer" mean?

• one layer
• two layers
• laminated
• bilateral

Hydrophobic region of the cell membrane?

• E
• B
• C
• A 

This picture represents which type of cellular transport?

• passive transport
• endocytosis
• exocytosis
• osmosis

Tags

NGSS.MS-LS1-2

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

What macromolecules help to make the cell membrane? 

• Proteins 
• Carbohydrates 
• Phospholipids 
• All of the above 

Active transport does not require energy.

• True 
• False 

Molecules using simple diffusion move from 

• high to low concentrations 
• low to high concentrations 
• no concentrations  
• both concentrations  

Which type of Passive Transport is being represented in this picture?

• Passive Diffusion
• Simple Diffusion
• Active Diffusion
• Facilitated Diffusion

• Passive Transport
• Active Transport

Tags

NGSS.MS-LS1-2