I would choose C since that is Jamie's problem... B doesn't have testable things such as A... and D is a statement
Answer: Only the single-celled organisms of the domains Bacteria
Explanation: Only the single-celled organisms of the domains Bacteria and Archaea are classified as prokaryotes—pro means before and kary means nucleus. Animals, plants, fungi, and protists are all eukaryotes—eu means true—and are made up of eukaryotic cells.
A occluded front would likely bring much precipitation
A macromolecule is a very large molecule, such as protein, commonly created by the polymerization of smaller subunits (monomers). ... The most common macromolecules in biochemistry are biopolymers (nucleic acids, proteins, carbohydrates and lipids) and large non-polymeric molecules (such as lipids and macrocycles).
Another term would be a monomer which link together to form polymers
