Bacterial Structures
The flagella arrangement that describes a bacterium that has a tuft of flagella at one end of the cell.
lophotrichous
A differential agar that shows hemolytic activity of a bacteria.
Blood Agar
The name of the substrate in the starch hydrolysis reaction.
starch
alpha
The presumptive ID if growth on the MacConkey agar is pink growth with bile precipitate.
Probable coliform
The genus name of a bacteria that produces endospores.
Bacillus or Clostridium
The names of the dyes present in EMB agar that inhibits the growth of Gram positive bacteria.
Eosin Y and Methlene Blue
The product(s) of the catalase metabolic pathway.
The result if the the interpretation is that the organism reduces nitrate to nitrite, nitrate reductase is present.
Red after the addition of reagents A & B
The result if the presumptive ID is probable coliform on the EMB agar.
Growth is dark with or without metallic sheen.
The cell wall component that is common to most bacteria and is attacked by Penicillin.
peptidoglycan
The name of the agar in the slants we used to culture our unknown organisms.
Trypticase Soy Agar
sucrase
The interpretation if growth is red and present only along the stab line.
organism is non-motile
The result in the SIM test if the interpretation is "Organism produces tryptophanase and hydrolyzes tryptophan into indole and pyruvate."
Red after adding indole/Kovac's reagent.
A tight-adhering structure found on the outside of certain types of bacterial cells and is made up of mucoid polysaccharrides and peptides.
capsule
Agar to which ferric chloride must be added to determine the results of the test.
The substrate an organism can ferment if it possesses beta-galactosidase.
lactose
The result if starch has been hydrolyzed.
Clearing around the bacterial growth after adding iodine.
The result(s) if the interpretation is: "citrate is utilized; citrate permease is present"
Blue coloring or no color change but growth.
The genus name of the bacteria that is acid fast positive and causes tuberculosis.
Mycobacterium
An orange agar that turns pink if the organism is contains the enzyme that hydrolyzes urea.
Urease test
The products produced when gelatin is hydrolyzed via the enzyme gelatinase.
polypeptides and amino acids
The symbol if the interpretation is that the organism ferments glucose with acid and gas end products.
A/G
The interpretation of the Fluid Thioglycollate Broth if the result is consistent, even growth throughout media.
Aerotolerant anaerobe