How many ions can move through a protein channel per second (on average)?

Explanation:

Secondary transporters and pumps can transport ions at high rates reaching several thousand ions per second. Other passive membrane transporters like proteins and ion channels are capable of transporting ions at rates of more than one thousand (1000) times as high.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.