Vitamins help them function as fats.
Atomic number shows the number of protons in the nucleus of an atom.
Atomic weight shows the is an another term for atomic mass, which means <span>It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.</span>
The oxidation of one molecule of glucose under aerobic conditions will
yield/give rise to about 32 mol of ATP, while oxidation of one molecule of
glucose under anaerobic conditions, will yield only 2 mol of ATP.
Some processes can't be performed by then, as they are performed in Multicellular organisms like excretion, neural system, hormonal system etc.. otherwise single cell can sustain a life on its own
