Other contributors have said "What is the main feature that distinguishes bacteria cells from cells of other organisms in other kingdoms?" is the same question as "What is the basic structural feature the distinguishes plant and animal cells from bacteria?" If you believe that these are not asking the same thing and should be answered differently, click here
What is the basic structural feature the distinguishes plant and animal cells from bacteria?
The two main differences are that plant cells have a cell wall, while animal cells do not. Plant cells have chloroplasts while animal cells do not. Another difference is the animal cells have...