Which of the following statements would be correct for both diffusion and osmosis?
C
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What kind of condition in this picture? Explain your answer!
Diffusion
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What is plasmolyzed condition?
he process of contraction or shrinkage of the protoplasm of a plant cell and is caused due to the loss of water in the cell
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What causes the diffusion of carbon dioxide out of a living cell?
Random movement of molecules (kinetic energy)
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How does a water vapour molecule move out of the air space of a leaf into the atmosphere on a dry day?
Diffusion
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The diagram shows a palisade mesophyll cell and the same palisade mesophyll cell after it has been placed in a concentrated sugar solution for twenty minutes. Explain why the cell in the second diagram changed
water moves out of the cell, osmosis, sugar solution more concentrated than cell contents
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Describe the ways in which diffusion is different to active transport
look the table
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Give 2 examples in diffusion in our daily life
spraying a perfume, making a tea, dissolve the sugar in the water
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A plant was not watered for one week. Look at a series of photographs of the plant during the week. Explain how the lack of water has affected the support of the leaves of the plant shown in the photographs. Use the term turgor pressure
lack of turgor pressure, (mesophyll) cells not providing support / cell collapses, (lack of water means cells become) plasmolyse ;
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Give 2 examples of osmosis
The absorption of water from the soil, Potato In Sugar Solution
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A plant absorbs a number of substances into its roots. Which row of the table below correctly shows the substances absorbed by the roots and how these substances are absorbed?
A
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What is turgid condition?
When water moves into a plant cell, the vacuole gets bigger, pushing the cell membrane against the cell wall.