For various reasons, your teacher strongly suspects Zack of leaving the food sample. In this lab, you will figure out who was guilty by determining which macromolecules are present in the mystery food sample. Which macromolecules are present in the mystery food sample? Hypothesis If the mystery food is tofu, then it will react with the reagent that indicates the presence of a protein because tofu is primarily protein.

Variables Independent variable: presence of macromolecules, including monosaccharides, polysaccharides, proteins, and lipids

Dependent variable: color changes observed in tests

Who left the food?

Student food maromolecule present
Zack tofu. protein
nicole salad dressing. lipi
christian jelly sandwhich. monosaaccharides
abigal pasta. polysaccharides