Tests for biological molecules Flashcards
1
Q
What is the test for starch
A
Iodine solution
Brown to blue-black
2
Q
What is the test for a reducing sugar?
A
Benedicts solution
Heat in water bath
Blue to brick red precipitate
3
Q
What is the test for a non reducing sugar?
A
Boil with hydrochloric acid
Benedicts test
Heat in water bath
Blue to brick red
4
Q
What is the test for lipids?
A
Emulsion test (Ethanol and Water)
White layer
5
Q
What is the test for proteins?
A
Biurets solution
Blue to purple