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.
According to the International Banana Association, an average-sized banana weighs 120 grams. I'm assuming this does not include the peel because the discussion is in the context of nutritional information. + 78 others found this useful.
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.