What is one distinguishing characteristic of eukaryotic cells? a. flagella b. ribosomes c. cell wall d. nucleus

Ribosomes would be distinguished 

Eukaryotic Cells have ribsomes

Answer the molar mass of magnesium is 24.305g/mol.

Each calcium ion has a charge of +2, which can also be written as ca2+. if those ions move out of the neuron and no other ions are moving, the neuron would lose the positive charge associated with those ions and become more negatively charged.