What happens to negatively charged neurons when the cell is stimulated ?

Which material is commonly used as a culture medium for living cells

Choose the diagram that best represents a habitat corridor explain your choice.

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars