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.
There are apâ¦proximately 12 G of naturally occurring sugar per every 100 G of weight which is generally the size of a small banana. 1 large is in the area of 17. Source: nutritiondata.com/2009   How many grams of sugar in a bananna.
Once small banana weighing about 3.7 ounces contains 23 grams of total carbohydrates, according to the USDA Nutrient Data Laboratory. The Institute of Medicine recommends you obtain 45 to 65 percent of your calorie intake from carbohydrates.