Osmosis Review

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

Permeable means

• things can pass through
• the concentration levels are different
• it is permanent
• things are stuck

In a solution of water and salt, salt is considered the _______.

• solvent
• solute
• solution

In a scenario, salt is placed into a bowl of water.  What is the solvent?

• salt
• water
• saltwater

HYPO means...

• Low
• High
• Equal
• Fat

A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?

• Water moved into the lettuce cells by active transport.
• Water moved into the lettuce cells by osmosis.
• Salt moved into the lettuce cells by diffusion.
• Water moved out of the lettuce cells by osmosis.

Tags

NGSS.HS-LS2-3

What does “high concentration area” mean?

• Spread out
• Tightly packed together
• Uncrowded
• Spacious

Tags

NGSS.HS-PS1-5

An animal cell placed in a hypertonic (salty) solution will

• Shrink
• Swell
• Stay the same

Tags

NGSS.HS-LS1-3

If a cell containing 5% salt is placed into a glass of water with 20% salt, the solution is _______ compared to the cell.

• hypertonic

• hypotonic

• isotonic

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic

Tags

NGSS.HS-LS1-3