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.
The number of calories in a banana depends on its size. A small banana measuring 6 to 6 7/8 inches long contains 90 calories, and one that is 7 to 7 7/8 inches long contains110 calories. Large and extra large bananas that range from 8 inches to over 9 inches contain between 121 and 135 calories each.