Cell Transport Review

The movement of molecules from an area of higher concentration to an area of lower concentration is called

• diffusion
• exocytosis
• equlibrium
• active transport

Which is true about active transport?

• It requires energy
• it does not require energy
• It moves substances down the concentration gradient
• it moves material from high to low concentration

This picture represents which type of cellular transport?

• passive transport
• endocytosis
• exocytosis
• osmosis

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

The most important part (organelle) of the cell in cell transport is the ____________.

• E.R.

• cytoplasm

• nucleus

• cell membrane

What are two types of passive transport?

• endocytosis and exocytosis 
• cookies and milk
• equilibrium and osmosis
• Osmosis and diffusion

What does it mean that a cell membrane is, "selectively or semi-permeable?"

• It allows all substances in
• It allows some substances in but not others
• It allows nothing in

What is a real life example of something that is selectively permeable?

• door
• window screen
• table
• basketball hoop

What type of transport is this?

• Endocytosis
• Exocytosis
• Diffusion
• Sodium-Potassium Pump

This picture represents what type of cell transport?

• endocytosis
• exocytosis
• osmosis
• passive transport