Osmosis Quiz

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

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Why can't you drink salt water?

• It's hypertonic to your cells

• It's hypotonic to your cells

• It's isotonic to your cells

• It's paratonic to your cells

If the dots represent sugar which is more concentrated

• Inside the cell

• Outside the cell

• Neither they are equal (equilibrium)

If the dots represent sugar, what direction will water flow?

• Into the cell

• Out of the cell

• Into and out equally (equilibrium)

If the percentage represents sugar, what direction will water flow?

• Into the cell

• Out of the cell

• Into and out equally (equilibrium)

ISO means...

• Low

• A lot

• Equal

• Mammal

Active transport requires energy because...

• The cell is moving something against a concentration gradient
• The cell is moving something with a concentration gradient

Which way will the water molecules move during osmosis?

• Out of the cell, so the cell shrinks.
• Out of the cell, so the cell swells.
• Into the cell, so the cell shrinks.
• Into the cell, so the cell swells.

Water will generally move to

• an area of lower solute concentration

• an area higher water concentration

• an area with equal solute concentration

• an area higher solute concentration