Which cell structure is missing in Trichomonas and Giardia?
A) Flagella
B) Cell membranes
C) Cysts
D) Mitochondria
E) Nuclei

Name: Which cell structure is missing in Trichomonas and Giardia? A) Flagella B) Cell membranes C) Cysts D) Mitochondria E) Nuclei
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Trichomonas and Giardia are both examples of protists that lack mitochondria. Instead of mitochondria, they have organelles called hydrogenosomes that perform some of the functions mitochondria would in other cells.

Which Cell Structure Is Missing in Trichomonas and Giardia