Chapter 3 Movement of Substance across a Plasma Membrane

Diagram shows a plasma membrane. What is P?

• Cholestrol

• Phospolipid

• Carbohydrate

• Carrier protein

Diagram show a setup to investigate osmosis. What is the result after one hour?

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Diagram shows movement of molecule P through a plasma membrane. What conclusion can be made about the movement of P?

• Soluble in liquid

• Moves by osmosis

• Moves by active transport

• Moves by facilitated diffusion

A plant cell immersed in distilled water. What is process X?

• Facilitated diffusion

• Simple diffusion

• Active transport

• Osmosis

A substance can moves across the phospolipid bilayer. What is the name of this substance.

• Oxygen

• Glucose

• Sodium ion

• Amino acid

What type of movement is this?

• Osmosis

• Active transport

• Simple diffusion

• Facilitated diffusion

Diagram shows the initial level of 20% sucrose solution at the beginning of experiment. Which is the result after one hour?

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What is the type of movement involved when root hair in plant absorbs water molecules?

• facilitated diffusion

• simple diffusion

• active transport

• osmosis

What two things happened to a red blood cell when it being immersed into 1.5% sodium chloride solution?

• water diffuses out by osmosis

• water diffuses in by osmosis

• plasma membrane moves away from cell wall

• plasma membrane moves towards cell wall

What is the process above?

• Osmosis

• Simple diffusion

• Active transport

• Facilitated diffusion