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.
While a small banana would contain about 12 grams of sugar, a medium one would contain around 14 grams, a large one would contain about 17 grams, and an extra large banana would contain about 19 grams of sugar. But this does not mean that diabetics cannot eat bananas.