Passive and Active Transport of Molecules

In passive transport, molecules move from an area of __________ concentration to an area of __________ concentraiton

• high, low
• low, high
• water, salt
• active, passive

The picture below is an example of _________________.

• osmosis
• isotonic
• diffusion
• active transport

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Passive transport requires no

• concentration gradients
• osmosis
• motion
• energy

Which type of transport requires an input of energy?

• Passive Transport
• Osmosis
• Simple Diffusion
• Active Transport

Which form of active transport is being shown?

• Facilitated Diffusion
• Exocytosis
• Endocytosis
• Protein Pumps

Which form of active transport is being shown?

• Pinocytosis
• Endocytosis
• Exocytosis
• Osmosis

The diffusion of water across a membrane is called

• equilibrium.
• osmosis.
• facilitated diffusion.
• active transport.

Four types of passive transport

• Simple diffusion

• Osmosis

• Facilitated Diffusion

• Diffusion through ion channels

• Exocytosis

Difference in the concentration of molecules across a distance is called

• Concentration gradient

• Equilibrium

• Passive transport

• Pinocytosis