Question

Breads and other whole grain foods are composed of very large polysaccharide molecules which contain hydrogen, oxygen, and which other element?

a)carbon
b)iron
c)nitrogen

Answer 1

A is the answer to this question

Answer 2

Carbon (helpful hint- all of the macromolecules contain carbon. these are carbs, fats (lipids), proteins, and nucleic acids. Carbon defines it being an organic molecule.)