Osmosis Marine Biology

Open Ended

Please list both partner names here

Multiple Choice

What is the function of a cell membrane?

• Store genetic information
• Produce energy for the cell
• Regulate the movement of substances in and out of a cell

Multiple Choice

Osmosis is the movement of _____ across a membrane.

• food

• oxygen

• energy

• water

Click here to view the BioMan Biology video on Osmosis then return here to answer the questions that follow. ​

Osmosis Video

Multiple Choice

In a solution, salt is considered the _______.

• solvent

• solute

• solution

Multiple Choice

During osmosis, water moves taward the area of

• lower solute

• higher solute

• higher solvent

• equally in all directions

Multiple Choice

During osmosis, water tends to move

• From a hypertonic solution towards a hypotonic solution

• From a hypotonic solution towards a hypertonic solution

Multiple Choice

Which way will the water move?

• Into the cell

• Equally in & out - it is isotonic

• Out of the cell

Multiple Choice

Which way will the water move?

• Into the cell

• Equally in & out - it is isotonic

• Out of the cell

Multiple Choice

If you looked at red blood cells under a microscope and saw the blood cells exploded, what would you say happened?

• The cells were placed in a hypotonic solution.

• 
  The solution was hypertonic.

• the solution was isotonic.

Poll

Have you shown your teacher your work to get your stamp?

• Yes

• No

Multiple Choice

What happens to a cell in hypotonic solution?

• The cell will remain the same size.
• The cell will swell or expand.
• The cell will shrink or contract.

Multiple Choice

What happens to a cell in a hypertonic solution?

• The cell will swell or expand.
• The cell will remain the same size.
• The cell will shrink or contract.
• The cell will burst or explode.

Multiple Choice

What happens to a cell in an isotonic solution?

• The cell will swell or expand.
• The cell will remain the same size.
• The cell will shrink or contract.
• The cell will burst or explode.

Draw

Draw an example of an onion cell that has experienced plasmolysis, labeling the cell wall and cytoplasm.

Open Ended

What was the cause of the changed you observed in the onion cell during the lab? Explain your answer.