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Biology GCSE AQA > Unit 2 - organisation > Flashcards

Unit 2 - organisation Flashcards

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1
Q

What is the test for starch?

A

Iodine - turns blue/black if starch is present

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2
Q

What is the test for proteins?

A

Biuret - turns mauve / purple if proteins are present

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3
Q

What is the test for sugar?

A

Benedict’s reagent - turns green, yellow, or red if sugar is present

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4
Q

What is the test for lipids?

A

Sudan III - if lipids are present, a red-stained oil layer will float on the water surface.

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Biology GCSE AQA (2 decks)

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