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(d) Explain the effect of the different SA:Vol ratios on the rate of osmosis into the potato.

Best way to explain would be to draw a cell with both a big and a large SA:Vol ratio. Visually get to see the effect, to understand why the rate of osmosis changes. note: SA = surface area and Vol = volume e...
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Answered by Elysa I. • Biology tutor
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Name the three structures found in a plant cell that are not found in a neurone

chloroplasts cell wall vacuole best way to show/teach student this would be to draw a plant cell and ask them to label/name structures in the cell and draw them in. drawing = way to learn (visual and kinaest...
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Answered by Elysa I. • Biology tutor
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How are different substances transported across the cell membrane?

There are several different ways substances can be transported: 1) simple diffusion, i.e. substances that tend to be lipid soluble/ non-polar and can pass easily across the phospholipid bilyar of cells. 2) f...
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Answered by Vinay S. • Biology tutor
10712 Views

Briefly explain how greenhouses gases trap heat from the sun

The temperature of the earth is a balance between the heat it gets from the sun and the heat it radiates back out into space. Gases in the atmosphere absorb most of the heat that would normally be radiated o...
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Answered by Krish T. • Biology tutor
3270 Views

Give the importance of the lock and key model of an enzyme

The lock and key model only allows one type of specific substrate to form a substrate-activesite complex with each specific type of enzyme. This is due to their complementary shapes, as only one shape and he...
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Answered by Paula F. • Biology tutor
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