McMush Pre Lab

Indicator used to test for Carbohydrates?

Benedict's solution

Indicator for Protein?

Biuret solution

What colour does Iodine reveal?

Brown to dark blue/black

What is a negative control?

Group with no response expected

Indicator used to test Starch/Polysaccharides?

Iodine

Indicator used for Lipids?

Paper towel

Paper towel reveals

Stain

What is a positive control?

The part of the experiment that you know will work

What is the purpose of a positive control?

Used as a control for unknown variables

What is the purpose of a negative control?

Used to control unknown variables and compare against test group

Benedict's Solution reveals

Will change colour from blue to orange when heated

What colour does Biuret reveal?

Will change colour from blue to purple