What is the powerhouse of a cell?

mitochondria is the powerhouse

mitochondria is the powerhouse

the powerhouses of the cell are known as Mitochondria

Further Explanation: They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell.

substitution is the answer in this case

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.