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GCSE
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Card 6
Front
6.Give three substances that move across cell membranes by diffusion.
Back
Card 7
Front
7.Explain how active transport is different from diffusion.
Back
Card 8
Front
8.What is a partially permeable membrane?
Back
Card 9
Front
9.What is osmosis?
Back
Card 10
Front
10.Give three factors that affect the movement of substances.
Back
Card 11
Front
11.Explain why single-celled organisms don't require specialised exchange surfaces and transport systems to exchange substances.
Back
Card 12
Front
12.Give an example of a specialised exchange surface found in an animal and explain how it's adapted to maximise the exchange of substances.
Back
Card 13
Front
13.Give two substances that a plant takes via its root hairs.
Back
Card 14
Front
14.True or false? Humans have a single circulatory system.
Back
Card 15
Front
15How many chambers does the human heart have?
Back
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