Answer:
The answer is (a) Mitochondria.
Step-by-step explanation:
Called the powerhouses of a cell, mitochondria absorb nutrients, and break them down to create energy for the cell, a process known as cellular respiration.
Mitochondria is the right option.
Mitochondria is an organ which able to carry out aerobic respiration. Its inner membrane is called Cristae. Electron transport chain is embedded in cristae and both make ATP by the process of chemiosmosis.
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