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10
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True or False: Plants cells do not burst in pure water because the cell wall stop water from getting into the cell.
False. The cell wall allows water to enter the cell but it's strong to prevent the cell from bursting.
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×
boom
Lose 50 points!
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×
rocket
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gift
Win 10 points!
Okay!
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banana
Go to last place!
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10
×
True or False: Water moves out of the cell by osmosis, through the partially permeable cell wall.
False. Partially permeable membrane not cell wall.
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eraser
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rocket
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fairy
Take points!
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25
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baam
Lose 15 points!
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heart
Other team wins 20 points!
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seesaw
Swap points!
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fairy
Take points!
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25
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banana
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15
×
Which part of a plant cell is fully permeable?
cell wall
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20
×
What is meant by a partially permeable membrane?
It lets some molecules to pass through but not others.
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10
×
True or False: If Visking tubing containing a sugar solution is put into a beaker of water, the sugar solution moves out of the tubing by osmosis.
False. Water molecules move into the cell.
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25
×
How do cells become flaccid?
The environment has a higher concentration of solutes. The solution is very concentrated.
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10
×
Which is larger- a water molecule or sugar molecule?
sugar molecule
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10
×
_____________ is an energy-consuming process by which substances are transported against their concentration gradient.
Active transport
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25
×
What is plasmolysis?
Shrinking/pulling/tearing away of a plant cell's membrane from its cell wall.
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15
×
What is meant by a turgid cell?
tight and firm, bigger or swollen
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25
×
How can plasmolysis be brought about?
If the plant cell is placed in a concentrated solution.
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lifesaver
Give 10 points!
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fairy
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25
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rocket
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banana
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15
×
What effect does an increase in temperature have on the kinetic energy of molecules of a gas or a solute?
The molecules move faster.
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