Answer :
the answer is a. because bacteria are prokaryotes and therefore don't have mitochondria
Animal cells and bacterial cells both may have all of the cell structures except flagella.
What is animal cells?
- This are eukaryotic cell.
- They have membrane bound organelles.
What is bacterial cells?
- This are prokaryotic cells.
- Lacks membrane bound organelle.
- It has an additional hair like structure cilia(for locomotion).
What is flagella?
- Hair-like structure present in protozoan cell for their movement.
Hence, the correct option is d. flagella.
To know more about flagella here
https://brainly.com/question/905839
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