1. Identify the solute shown in the diagram below, and explain why it is considered a solute.

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Presentation transcript:

1. Identify the solute shown in the diagram below, and explain why it is considered a solute.

2. Explain how you could: a)decrease the concentration of the sugar solution b)increase the concentration of the sugar solution

3. Explain why it is incorrect to say that living things are 72% pure water. Use scientific vocabulary in your answer.

4. Explain why cells constantly move solute and water across their membranes.

5. Identify the membrane below as permeable or selectively permeable, and explain why. Direction of movement

6. Identify a solute molecule that can pass directly through the cell membrane, and explain why it is able to pass directly through.

7. Explain why the cell membrane is not directly permeable to glucose, and explain how glucose enters the cell when it is needed.

8. Explain why the cell membrane is not directly permeable to Na+ or Cl-, and explain how these substances enter the cell when they are needed.