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.
Carbohydrates and Fiber. The most abundant nutrients in a banana are carbohydrates, or sugars. Each medium banana, weighing approximately 4 ounces, contains almost 27 grams of total carbohydrates. Of the 27 grams, approximately 14.5 grams come from sugar, which your cells use as a source of energy.