Cell Transport

Question 1

• Movement of molecules from high to low concentration, down their concentration gradient.
• Passive process, no energy required.

Answer 1

Diffusion

Question 2

• A type of diffusion specifically for water molecules.
• Water moves from a region of low solute concentration to high solute concentration.

Answer 2

Osmosis

Question 3

• Movement of molecules from low to high concentration, against the concentration gradient.
• Requires energy (ATP) and transport proteins.

Answer 3

Active Transport

Question 4

• Passive transport of molecules via a carrier or channel protein.
• Does not require energy but moves substances down their concentration gradient.

Answer 4

Facilitated Diffusion

Question 5

• Proteins embedded in the membrane that allow specific ions to pass through.
• Can be gated (open/closed based on conditions like voltage or ligand binding).

Answer 5

Ion channels