Membrane Proteins and Their Functions

Q.

Can carbohydrates pass through the cell membrane?

Q.

How does the cell membrane act as a barrier?

Q.

______________ factors are responsible for the maintenance of the resting membrane potential of a neuron .

1. Membrane impermeable to proteins

2. Lack of Na+ leakage channels

3. All of the above

4. High resting state permeability for K+ ions

Q. Channels in the plasma membrane through which molecules enter or leave the cell

1. Membrane proteins
2. Phospholipid tails
3. Phospholipid polar heads
4. All of the above