3502640
Description
Quiz by Lisa Polillo, updated more than 1 year ago
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Created by Lisa Polillo
over 9 years ago
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Question 1
Question
All cells are surrounded by a cell membrane that separates the cell from the outside environment. The cell membrane is selectively permeable, which means...
Answer
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some substances can pass through the membrane while others cannot.
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oxygen and food come in, while waste materials go out.
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all substances can pass through it.
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it can hear most things but not if they are homework related.
Question 2
Question
Pretend the red dots are oxygen molecules. What process is illustrated?
Answer
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Diffusion
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Osmosis
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Active Transport
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Dismosis
Question 3
Question
Osmosis is the [blank_start]diffusion[blank_end] of [blank_start]water[blank_end].
Answer
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diffusion
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water
Question 4
Question
If you put a cell in a hypertonic solution (like salt water), what happens?
Answer
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It shrinks.
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It swells.
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It remains unchanged.
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It dances.
Question 5
Question
What are the two types of active transport?
Answer
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Transport proteins pick up molecules outside the cell and carry them in.
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Transport by engulfing.
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Osmosis
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Diffusion
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