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.
In the vast majority of cases, four bananas per day are probably too many. One large banana contains about 18 grams of sugar and 125 calories. Four would contain about 72 grams of sugar and 500 calories.