Key term for Edexcel GCSE Biology, used in Enzymes.
An indicator used to test for the presence of starch, turning from orange-brown to blue-black if starch is present.
Iodine solution appears in Edexcel GCSE Biology revision content for Key Concepts in Biology, especially Enzymes and pH and Enzyme Activity Investigation.
Key Concepts in Biology
Enzymes • pH and Enzyme Activity Investigation
Key Concepts in Biology
Food and Transport • Food Tests Investigation
Key Concepts in Biology
Enzymes • Factors Affecting Enzyme Activity
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