Cell membranes & transport mechanisms

Which letter points to a phospholipid?

• A
• B
• E
• F

Which letter points to the structure that identifies our cells to our immune system?

• A
• C
• D
• F

Which letter points to the structure that helps to keep animal cell membranes flexible?

• F
• D
• B
• A

Which letter points to a channel protein?

• A
• B
• C
• E

Which letter points to a glycoprotein?

• A
• B
• C
• E

Which letter points to an integral protein?

• A
• B
• C
• E

This molecule has both a hydrophilic head and hydrophobic tail

• F
• D
• E
• A

These block the diffusion of all large and polar molecules into or out of a cell

• F
• E
• D
• A

Which of the following can change the rate of diffusion?

• increase in temperature
• decrease in temperature
• increase in size of molecule
• all of these

This phrase, when used to describe a cell's membranes, means they are made of many tiny molecules that are not rigidly locked into place

• selectively permeable
• fluid mosaic
• lipid bilayer
• fluid permeable