Bio Unit 3: Passive Transport Review

What is the process by which water molecules move across the cell membrane?

• Osmosis

• Diffusion

• Endocytosis

• Exocytosis

What is the movement of substances across a cell membrane without using energy by the cell?

• Homeostasis
• Passive Transport
• Active Transport
• Osmosis

What is the the movement of solute molecules (NOT water) from an area of higher concentration to an area of lower concentration?

• Equilibrium
• Diffusion
• Concentration Gradient
• Osmosis

What is a state that exists when the concentration of a substance is the same throughout a space?

• Equilibrium
• Diffusion
• Homeostasis
• Osmosis

What is the difference in the concentration of molecules across a distance?

• Equilibrium
• Diffusion
• Concentration Gradient
• Osmosis

What is it called when the concentration of solute molecules outside the cell is lower than the concentration inside the cell?

• Hypotonic
• Hypertonic
• Isotonic

What is it called when the concentration of solutes outside and inside the cell are equal?

• Hypotonic
• Hypertonic
• Isotonic

What is it called when the concentration of solute molecules outside the cell is higher than the concentration inside the cell.

• Hypotonic
• Hypertonic
• Isotonic

What is the process used for molecules that cannot diffuse through the cell membrane even when there is a concentration gradient?

• Facilitated diffusion
• osmosis
• homeostasis
• active transport

The picture below is an example of _________________.

• osmosis
• isotonic
• diffusion
• active transport