Question

Identifying characteristics of bacteria include _____.

1.) the presence and/or number of flagella
2.) Gram staining
3.) shape and arrangement of cells
4.) all of the above

Answer 1

I think it is "4.) all of the above"

Answer 2

Bacteria are identified by the shape and arrangement of cells. The basic shapes are bacillus, spirillus, and coccus. The arrangements may be described by adding prefixes to the shapes...diplococcus would indicate a pair of round bacteria.