Transport Mechanisms in Cells

Which form of transport is being shown in the diagram.

• diffusion
• osmosis
• facilitated diffusion
• active transport

Cells use energy to move materials across a membrane (low to high concentration).

• Active transport
• Passive transport
• Diffusion
• Osmosis

When a cell forms a vesicle around unwanted particles and expels it OUT of the cell.

• Pinocytosis

• Endocytosis

• Receptor-mediated

• Exocytosis

Facilitated diffusion is the movement of materials into and out of the cell

• with the use of energy
• with the use of proteins but no energy
• by moving water
• by using ATP

The  movement of water from a high concentration to a low concentration is called

• diffusion
• osmosis
• facilitated diffusion
• active transport

Semi-permeable mean to allow

• all materials across the membrane
• only some materials across the membrane
• no material to cross the membrane
• to allow only water across the membrane

Tags

NGSS.MS-LS1-2

In passive transport, .............

• energy is required

• energy is not required

In active transport, .............

• energy is required

• energy is not required

What does “high concentration area” mean?

• Spread out
• Tightly packed together
• Uncrowded
• Spacious

Tags

NGSS.HS-PS1-5

NGSS.HS-LS2-2

Where is there a low concentration of dye?

• at the bottom of cup
• in the color
• at the top of cup 
• no concenteraion gradient

Tags

NGSS.HS-PS1-5