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.
One medium sized banana is 110 calories, 29 grams of carbohydrate, 4 grams of fiber, 0 grams of fat and 1 gram of protein. http://calorielab.com This site gives you information on over 70,000 food items.