What do the two macronutrients involved in nerve action have in common?

The two macronutrients involved in nerve action are potassium and sodium and what they have in common is that they both belong to the alkali metals group.

Explanation:

Macronutrients ar nutrients that give calories or energy. The prefix makro is from the Greek and means that massive or giant, used as a result of macronutrients are needed in giant amounts. There are 3 broad categories of macro-nutrients. Proteins, carbohydrates, and fats. Sodium chloride or flavoring and metal have some things in common. They are each electrolyte present in your body.

The two macro-nutrients involve in the generation and conduction of nerve impulse are sodium and potassium.

Similarities between sodium and potassium:

the electron configuration that you gave me has 16 electrons ergo it has 16 protons ergo it is the element sulfur.