Question

2. Which macromolecules were present in your saliva and food choices? Explain why you think you got the results you did.

Answer 1

Starch is present in saliva. 

I don't know which food choice you made so I can't explain why you got the results you did.

Answer 2

: Starch was present in my saliva.  Starch is a macromolecule that is broken down by the enzyme amylase into glucose.  The reaction is what caused the colors to change, along with the reaction of the other chemicals.