find out ur self man
No, iron is a metallic element and do not exists as molecules, macro molecules are those which contain thousands of atoms or molecules as a single unity as starch, proteins etc.
dehydration synthesis
amino acid lipids
Nucleic acids.
moves things in and out of cells
A molecule containing a very large number of atoms.
Proteins are themselves macro molecules. They are not carbohydrates
Carbon, Hydrogen, Oxygen
Carbon
Nucleic acids.
No, a head of lettuce is not chemical potential energy. Chemical potential energy refers to the energy stored in the bonds of molecules, while lettuce is a physical object made up of various molecules.