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 medium banana contains almost 15 grams of sugar, meaning sugar makes up nearly 56 percent of the total amount of carbs. Bananas contain three types of sugar: glucose, fructose and sucrose. Approximately 20 percent, or 3 grams, of the sugar in a banana is sucrose.