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.
By Brian Rigby, Clinial Nutrition Writer. There are 100 calories in a medium banana and 125 calories in a large banana. Bananas are primarily composed of carbohydrates (92%). Broken down further, bananas are 3% fat, 55% sugar, 12% fiber, 25% complex carb, and 5% protein. Of the sugar they contain, roughly 51% is glucose and 49% is fructose.