i need help with this, it's not really coming to my head and its getting annoying

Answer:
Things that are found only in bacteria cells are : circular DNA of the nucleoid, the cell wall of peptidoglycan, and flagella.
Things that are found only in animal cells are: centrosome and lysosomes.
Things that are found only in plant cells are: large vacuoles, cell wall, chloroplasts and specialized plastids.