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.
Bananas vary quite a bit in size, so counting the carbs that they provide can be difficult. Below are some estimates for different sizes. 1  Extra small banana (6 inches long or less) â 18.5 grams of carbohydrate.  Small banana (about 6-6 7/8 inches long) â 23 grams of carbohydrate.