7. Explain why graph D levels off. Use enzyme and substrate in your explanation. Then tell how you could prevent graph
D from leveling off.
8. Why doesn't it matter if enzymes keep getting added to
graph E? What would it take to increase the rate of enzyme
activity?

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.

the tricuspid valve is present between right atrium and right ventricle