Osmosis

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

During osmosis

• water moves from high to low concentration
• large or oddly shaped molecules move across a cell membrane
• water moves when energy is used
• proteins are built

Passive transport requires no

• concentration gradients
• osmosis
• motion
• energy

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic

You put a cell into a solution, the cell grows. Is the solution hypotonic or hypertonic to the cell? 

• hypertonic
• hypotonic
• isotonic
• not enough information

An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.

• lower
• equal
• higher

What type of solution is this cell in?

• Isotonic
• Hypertonic
• Hypotonic
• diffused