Question

which essential organelle, which is present in all other eukaryotes, is functionally absent in the parabasilids and diplomonads? group of answer choices

Answer 1

The mitochondrion is present in all other eukaryotes but functionally absent in the parabasilids and diplomonads.

In general, mitochondria are called powerhouses of the cell as they transform energy from one phase to another and also provide energy to the cells in the form of ATP.

Eukaryotic cells have high metabolic rates meaning their energy requirements are quite high which ultimately leads to the presence of a high number of mitochondria.

On the other hand, arabasalids and diplomonads are anaerobic with low metabolic rates and thus lack mitochondria.

Instead of mitochondria, these organisms have a special organelle called the hydrogenosome which regulates the activities of metabolism in them.

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