The 7 main differences between Bacteria and Eukaryotic cells are:

- Bacteria are prokaryotes. Bacterial cells have no internal compartments or membrane systems.

- bacteria cells are about 1um in diameter. Eukaryotic cells are more than 10times that size.

- all bacteria are single cells.

- bacterial chromosomes=single circular pierce of DNA. eukaryotic chromosomes=linear pieces of DNA

- bacteria reproduces in which one cell pinches into two cells; in eukaryotes, microtubes pull chromosomes to opposites poles of the cell during mitosis then the cytoplasm of the eukaryotic cell divides in half, forming two cells.

- bacteria are simple structures composed of a single fiber of protein. Eukaryotic flagella are more complex.

- B=metalic abilities that eukaryotes lack.

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Gram staining is important in medicine because the two groups of bacteria differ in their susceptibility to different antibiotics.

Conjugation ~ is a process in which two organisms exchange genetic material.