Unit 2 - organisation Flashcards
1
Q
What is the test for starch?
A
Iodine - turns blue/black if starch is present
2
Q
What is the test for proteins?
A
Biuret - turns mauve / purple if proteins are present
3
Q
What is the test for sugar?
A
Benedict’s reagent - turns green, yellow, or red if sugar is present
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.