(Na + -K +)-ATPase (2) o ATP transiently phosphorylates Asp to form a high energy intermediate = All P-type ATPases o While every single reaction step is reversible, the entire transport cycle is not.
Atomic mass of magnesium (Mg) is 24.305 g/mole The atomic number is 12.
= 2(1.00794) + 15.9994 = 18.0153. Notice that the atomic mass of each element is multiplied by the number of atoms of that element in a molecule of the compound. The number of grams in the molar mass (grams per mole) of a molecular compound is the same as its molecular mass. Molar Mass for Ionic Compounds.