structure of plasma membrane and passive transport

What is the function of cholesterol in phospholipid bilayer?

• Strengthen the plasma membrane

• Weaken the plasma membrane

• Harden the plasma membrane

• Soften the plasma membrane

What is the model proposed by Singer and Nicolson regarding the structure of plasma membrane?

• Moss Fluid Model

• Fluid Moss Model

• Fluid Mosaic Model

• Mosaic Fluid Model

Name the structure shown.

• Phospholipid layer

• Phospholipid bilayer

• Phospholipid trilayer

• Lipid bilayer

What is the characteristics of a plasma membrane?

• Fully permeable

• Not permeable

• Permeable

• Semi-permeable

What is this process called?

• Osmosis

• Simple diffusion

• Facilitated diffusion

• Active transport

Which of the following is true about simple diffusion?

• It is a form of passive transport

• It uses carrier protein

• It uses pore protein

• It is a form of active transport

Which of the following is not a passive transport?

• Osmosis

• Simple diffusion

• Facilitated diffusion

• Active transport

Name the protein shown.

• Carrier protein

• Pore protein

• phospholipid

• cholesterol