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Card 16

Front

what type of molecules move by osmosis?

Back

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Card 17

Front

give the two main differences between active transport and diffusion.

Back

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Card 18

Front

give three adaptations of exchange surfaces that increase the efficiency of diffusion.

Back

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Card 19

Front

give two ways that the villi in the small intestine are adapted for absorbing digested food.

Back

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Card 20

Front

explain how leaves are adapted to maximise the amount of carbon dioxide that gets into their cells.

Back

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Card 21

Front

what is a tissue?

Back

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Card 22

Front

explain what is meant by the 'organ system'.

Back

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Card 23

Front

why can enzymes be described as biological catalysts?

Back

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Card 24

Front

why do enzymes only usually catalyse one reaction?

Back

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Card 25

Front

what does it mean when an enzyme has been denatured?

Back

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