Why are certain amino acids called essential amino acids?

Some of the amino acids are called essential amino acids because they are not synthesized in the body of human beings.

Explanation:

The amino acids are very vital for the body as it is the building blocks of the body. It forms protein which helps in the movement of the molecules across body.

There are 20 amino acids in total. Out of which our body synthesizes 10 amino acids by itself. The amino acid that is synthesized in the body is non-essential because they are already present in the body.

The amino acids that is not made in body has to be taken from outside by the food that we eat.

your answer should be c) enjoy!

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.