Which one of these facts about mitochondria and chloroplasts constitutes support for the endosymbiotic theory?

a. their dna resembles bacterial rna.
b. their ribosomes resemble the ribosomes of bacteria.
c. they reproduce by mitosis.
d. they are organelles that are found within plant cells.

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 answer would be   10%