Active/Passive Transport

How do molecules move during diffusion?

• From high concentration to low concentration

• From low concentration to high concentration

Which is not a form of passive transport?

• Osmosis

• Facilitated diffusion

• Active transport

• Diffusion

What biomolecule is number one pointing to?

• Lipid

• Protein

• Nucleic Acid

• Carbohydrate

What type of passive transport moves water molecules from high concentration to low concentration?

• Simple diffusion

• Osmosis

• Active transport

• Facilitated diffusion

When cells require ATP energy to transport materials in or out of cells, this is called _____________ transport.

• metabolic

• passive

• active

• membrane

Cellular transport is regulated by cell membranes. This happens because cell membranes are __________________________.

• impermeable

• fully permeable

• rigid

• selectively permeable

What process is shown in the diagram below?

• active transport

• diffusion

• osmosis

• facilitated diffusion

The diagram below illustrates the process of diffusion over time. What is end result of this process?

• a hypertonic solution

• a hypotonic solution

• an isotonic solution

• active transport

When a substance has equal concentrations on both sides of a membrane it will reach ____________ and the molecules will ____________ moving.

• hypertonic, stop

• hypertonic, keep

• equilibrium, stop

• equilibrium, keep

Which form of active transport is being shown?

• Pinocytosis
• Endocytosis
• Exocytosis
• Osmosis