Another action potential can be produced, but only if the stimulus is greater than the threshold stimulus. 1  corresponds to the period when the potassium channels are open (several milliseconds) 2  the nerve cell membrane becomes progressively more 'sensitive' (easier to stimulate) as the relative refractory period proceeds.
There are apâ¦proximately 12 G of naturally occurring sugar per every 100 G of weight which is generally the size of a small banana. 1 large is in the area of 17. Source: nutritiondata.com/2009   How many grams of sugar in a bananna.
A average-size banana contains 500 mg. of potassium; If we need 5000 mgs per day, then about 10 would be ideal if that is our only PO source. But you never get caught up, as #2 explained; bananas are wonderfull food, one of few that a person can eat only that and survive.