Transport System: Osmosis

Which has a greater water potential? 20% sugar bubble tea or 100% sugar bubble tea

• 20% sugar bbt

• 100% sugar bbt

Which has a greater water potential? 5% glucose solution or 10% glucose solution

• 5% glucose solution

• 10% glucose solution

Which solution has the greatest water potential?

• 1% sucrose solution

• 5% sucrose solution

• 10% sucrose solution

• 15% sucrose solution

Predict: Which solution would result in potatoes with the greatest increase in length?

• 0 g/100 ml

• 1 g/100 ml

• 2 g/100 ml

• 3 g/100 ml

• 4 g/100 ml

Which statement is true when the potato increases in length?

• Water enters the potato by osmosis

• Water leaves the potato by osmosis

• There is no net movement of water molecules.

The length of the potato increases as water enters the potato by osmosis. This means __________.

• The salt solution has a higher water potential than the potato.

• The salt solution has a lower water potential than the potato.

• The salt solution has the same water potential as the potato.

Which salt solutions has/have a lower water potential than the potato?

• 1 g/100mL

• 2 g/100mL

• 3 g/100mL

• 4 g/100mL

• 5 g/100mL

Discuss: Using the graph, what do you think could be the salt concentration of the potato?

___ g/100mL