Question

Why is mitochondria called 'power-house' of cell? Give the similarities and one difference between mitochondria and plastid.

Accepted Answer

Mitochondria is called power-house of the cells because they carry out the process of aerobic respiration and generate the energy molecules (ATP or adenosine triphosphate) for cell operation.

Similarities between mitochondria and plastid:-

(i) Mitochondria and plastid have double-membrane structures.

(ii) Mitochondria and plastid have their own DNA and ribosome.

One difference between mitochondria and plastid:-

Mitochondria Plastid

1. Mitochondria found in all eukaryotic cells. 1. Plastid found in only plant cells.

Why is mitochondria called 'power-house' of cell? Give the similarities and one difference between mitochondria and plastid.

Important Questions on Practice Paper 1

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