StemUp: AQA A level Biology 3.1.8 Inorganic Ions

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5 Terms

1
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What is an inorganic ion? (1)

An ion that doesn't contain carbon

NOTE: Definition is not required for the specification but useful to understand, just in case

2
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Describe the role of sodium (1)

Co-transport of glucose and amino acids across the cell membrane ‎‏‏‎

3
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Describe the role of Iron (1)

Component of haemoglobin, which transports oxygen

4
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Describe the role of hydrogen (1)

Important in determining pH and thus, affecting protein structure and enzyme ‎activity

5
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Describe the role of phosphate (1)

Important as a structural component of DNA, RNA and ATP