3502640
Descripción
Test por Lisa Polillo, actualizado hace más de 1 año
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Creado por Lisa Polillo
hace más de 9 años
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Pregunta 1
Pregunta
All cells are surrounded by a cell membrane that separates the cell from the outside environment. The cell membrane is selectively permeable, which means...
Respuesta
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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.
Pregunta 2
Pregunta
Pretend the red dots are oxygen molecules. What process is illustrated?
Respuesta
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Diffusion
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Osmosis
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Active Transport
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Dismosis
Pregunta 3
Pregunta
Osmosis is the [blank_start]diffusion[blank_end] of [blank_start]water[blank_end].
Respuesta
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diffusion
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water
Pregunta 4
Pregunta
If you put a cell in a hypertonic solution (like salt water), what happens?
Respuesta
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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.
Pregunta 5
Pregunta
What are the two types of active transport?
Respuesta
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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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