Biological macromolecules are large molecules, necessary for life, that are built from smaller organic molecules. there are four major biological macromolecule classes (carbohydrates, lipids, proteins, and nucleic acids). what role do hydrolysis and dehydration reactions play in the formation and breakdown of macromolecules? use the race method to form your answer.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

answer: i feel like it would be 3

explanation: