Question

why mitochondria called power house of cell

Answer 1

It is for this reason that mitochondria are often referred to as the powerhouses of the cell. ... Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration
Mitochondria are called powerhouse because the energy required for various processes is released by it because it contain atp (andosine triphopshate

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Answer 2

Mitochondria is called the power house of the cell because it takes energy from the food and generates energy to carry out all the works inside the cell