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Procaryotic
Shapes and arrangements of more common bacteria
| Question | Answer |
|---|---|
| Shape and arrangement of coccus | spherical shaped bacteria arranged as a single cell |
| Shape and arrangement of Diplococcus | spherical shaped bacteria arranged in pairs |
| Shape and arrangement of Streptococcus | spherical shaped bacteria arranged in chains |
| Shape and arrangement of Tetrads | spherical shaped bacteria arranged in groups of four |
| Shape and arrangement of Sarcina | spherical shaped bacteria arranged in cubes of eight |
| Shape and arrangement of Staphylococcus | spherical bacteria arranged in large clusters (staph is Greek and stands for cluster of grapes) |
| Shape and arrangement of bacillus | single rod shaped bacteria; example-Salmonella |
| Shape and arrangement of Diplobacillus | pair of rod shape bacillus bacteria |
| Shape and arrangement of Streptobacillus | chain of rod shape bacillus bacteria; example B. anthracis |
| Shape and arrangement of Coccobacillus | very short oval rods bacillus bacteria; example E. coli |
| Differences between bacillus (lower case b) and Bacillus (capital B) | bacillus refer to any rod shape bacteria gram positive or negative; Bacillus refers to a genus of rod-shaped bacteria which are all gram positive rods. |
| Shape and arrangement of Vibrio | a curved rod |
| Shape and arrangement of Spirillium | a cork screw shape rod |
| Shape and arrangement of Spirochete | a long spiral shaped bacteria |