Answer:
The inward flow of sodium ions increases the concentration of positively charged cations in the cell and causes depolarization, where the potential of the cell is higher than the cell's resting potential. The sodium channels close at the peak of the action potential, while potassium continues to leave the cell.
I think that the answer is D!
<h3><u>Surprising fact in Nutrition:</u></h3>
Nutrition is the science that studies with the food habit of the person and deals with the nutritional effect of each and every quantities of food components. There it's suggested that for a person, fat should consist of 10 to 35% of the total calorie content of food.
Fat has two components - saturated fat and unsaturated fat. Consuming saturated fat is very bad for health as it increases the chances of cardiac diseases and increases the adipose tissue content of body. But consuming the unsaturated fat is good which has just the opposite effects of saturated fat. It is cardioprotective in nature. My eating habits drifted from saturated fat to unsaturated fat due the fact learned from Nutrition.
