Starch Test with Iodine — detection?
Presence of starch turns iodine blue-black.
Iodine Test — what detects?
Presence of starch in a sample.
Fat Test with Ethanol — positive?
Cloudy or milky emulsion indicates fats.
Positive iodine test — color?
Black or blue-black.
Protein Test with Biuret — result?
Purple color shows proteins are present.
Starch — role?
Energy storage in plants.
Ethanol test — detects?
Presence of fats (lipids).
Positive ethanol test — appearance?
Cloudy or milky solution.
Lipids — role?
Energy storage, insulation, membrane components.
Unicellular vs Multicellular — difference?
Number of cells involved.
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1. What does the iodine test with iodine solution primarily detect in a biological sample?
2. What color change indicates a positive iodine test for starch?
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