Cell Physio

Question 1

Major component of the cell membrane:

Answer 1

55% proteins

Question 2

Most important component of the cell membrane:

Answer 2

13% - Cholesterol
Confers membrane fluidity and permeability

Question 3

Function of Glycolipids in the cell membrane:

Answer 3

Antigenicity

Question 4

Hydrophobic/fat-soluble substances move in and out of the cell membrane through:

Answer 4

Concentration gradient

Question 5

Factors that determine permeability of cell membrane:

Answer 5

1. Temperature
2. Type of solute
3. Level of hydration

Question 6

Integral proteins have tight attachments using:

Answer 6

Hydrophobic interactions

Question 7

Peripheral proteins have loose attachments using:

Answer 7

Electrostatic interactions