Which organelles supply energy to the cell?

A Mitochondria
B Cytoplasm
C Ribosomes
D None of the above

Correct Answer: Mitochondria

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).

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