The term indigo child is a new age belief developed in the 70s a indigo child is very intelligent and ahead of their time they have a strange way of thinking many people mistake indigo children for children with add or adhd they are free spirts who enjoy nature
The vacuole i believe is the answer
The answer is; Sodium (Na+) and Potassium (K+) Ions
These cations are pumped out of the cell by Na+-K+ transmembrane protein pumps leaving the inside of the cell electronegative in relation to the extracellular matrix. This membrane potential is significant especially for neurons. Depolarization of the membrane enables transmissions of an impulse along the neurons.
Alleles. Alleles are the "same" genes, but provide a variation of the intended function.