Passive Transport

What type of substance moves by simple diffusion?

• Lipids

• glucose

• Carbon dioxide

• hydrogen ion

What type of substance(s) move(s) by osmosis?

• Water

• Oxygen

• Lipids

• Carbon dioxide

• Glucose

Someone sprays air freshener.  The scent fills the room.  This is an example of

• active transport
• osmosis
• diffusion
• cellular respiration

If a cell is placed in a hypertonic solution, what will happen?

• Water will move into the cell causing it to swell.
• Water will move out of the cell causing it to shrink.
• nothing.
• Water will move out of the cell causing it to swell.

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic

When the concentration of molecules on both sides of a membrane is the SAME, the solution is

• isotonic
• hypertonic
• hypotonic

All of the following describe the cell membrane EXCEPT

• composed of phospholipid bilayer

• site of cellular transport

• regulates what gets into and out of the cell

• site of ATP (energy) production

What biomolecule is number one pointing to?

• Lipid

• Protein

• Nucleic Acid

• Carbohydrate

Which structure controls the movement of materials in and out of a cell?

• ribosome
• Golgi body
• mitochondrion

• cell membrane

What type of passive transport is shown in the image?

• simple diffusion

• osmosis

• facilitated diffusion