Unit 4.2 Animal tissues, organs and organ systems and enzymes Flashcards Preview

11B1 - AQA Biology Trilogy > Unit 4.2 Animal tissues, organs and organ systems and enzymes > Flashcards

Flashcards in Unit 4.2 Animal tissues, organs and organ systems and enzymes Deck (94)
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91

A positive test for protein using biuret will turn

purple/lilac

92

Lipids (fats) are found in

cheese, chocolate, butter

93

To test for lipids you...

Grind up food sample

add ethanol

transfer food and ethanol sample to water

look for a white layer/precipitate

94