Membranes Flashcards
1
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2
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What is the fluid mosaic model?
Who proposed it? (extension)
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3
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4
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5
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Essay question:
Describe the main componenets of the fluid mosaic model. What is the role of each component? (6 marks)
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6
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7
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Medium answer:
What types of molecules can pass through the phospholipid bilayer by simple diffusion? (3 marks)
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8
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9
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10
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Medium answer:
What factors affect diffusion?
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11
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12
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13
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14
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15
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16
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17
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18
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What is water potential?
What is the symbol?
What type of units / values do we typically use?
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19
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20
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Long answer:
Describe the effect of placing plant cells in solutions of…..
- lower water potential than the cytoplasm
- the same water potential
- higher water potential
Visualise the cells in each situation - what would they look like
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21
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22
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Long Answer:
Describe the effect of placing animal cells into solutions of…
- lower water potential than the cytoplasm
- the same water potential
- higher water potential
Visualise the cells - could you draw diagrams?
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23
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24
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25
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