Cell Membranes & Cell Transport

Which structure is a transport protein?

• A

• B

• C

• D

• E

Which structure is a a phosopholipid?

• A

• B

• C

• D

• E

Which structure helps maintain the correct distance between the phospholipids when cells are too hot or too cold?

• B

• C

• D

• E

• F

Which structures are made of two different types of macromolecules and are used to identify cells?

• A & B

• B & C

• C & D

• B & E

• A & F

Which structure could be an aquaporin? Aquaporins are integral proteins that perform facilitated diffusion and help water diffuse across the membrane faster.

• A

• B

• C

• D

• F

Which of these structures does not contain protein?

• A

• B

• C

• D

If you zoom in on a section of a cell membrane, how would the phospholipids be oriented?

• A

• B

If you zoom in on a section of a bubble, how would soap molecules be oriented?

• A

• B

The region labeled A is

• polar

• nonpolar

The region labeled B is

• hydrophilic

• hydrophobic