Diffusion is the net movement from a _________ concentration to a __________ concentration
High, low
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15
Where Protein is synthesized within the cell
Ribosomes, Rough Endoplasmic Reticulum
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15
Which part of a plant cell is partially permeable and which part is fully permeable?
Cell membrane is partially cell wall is fully
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15
What would happen if you put an animal cell in a concentrated sugar solution?
The Animal cell would shrivel up because the water would leave the animal cell via osmosis and the cytoplasm would shrink
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monster
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star
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shark
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lifesaver
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heart
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shark
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shark
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baam
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trap
No points!
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gold
Win 50 points!
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fairy
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25
lifesaver
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20
What is plasmolysis?
When a plant cell is in a concentrated solution and loses so much water that the cell membrane pulls away from the cell wall. This usually kills the cell.
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15
What happens if you put an animal cell in pure water? Explain
The cell will burst. The water will move by osmosis into the animal cell and the cell will burst because animal cells do not have cell walls
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5
A concentrated solution has a ______ water potential
Low
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15
What is a flaccid plant cell?
A plant cell that is in a concentrated solution and has lost water and wilted
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15
Name three things that increase the rate of diffusion
increase in SA/V ratio, increase in temp, increase in concentration gradient, decrease in distance, decrease in size
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10
Rank the speed of movement of particles in a solid, liquid and gas
Fastest: gas, liquid, solid
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rocket
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fairy
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lifesaver
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15
What is Osmosis
Diffusion of water molecules in a situation where water can pass through a partially permeable membrane but solute cannot