Witch type of microscope is used to view very small cell components like proteins and dna?

The electron microscope

Is used to view very small things that could be invisible to the naked eye. They use this for research to investigate more about atoms and the way of science.

Hope this helps! :3

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.