This is a full account of the importance and use of 4 inorganic ions found in living things - hydrogen, iron, phosphate and sodium.
It is tailored to AQA A level Biology but would be useful for other exam boards.
The power point has many diagrams and it also has 10 questions with answers for review and revision. Some questions are longer answer questions worth 4 marks that require students to connect areas of study together and are thus more challenging for the more able. The 10 questions are also supplied on a word document.
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