What type of bacteria is this ? GRAM POSITIVE COCCUS YELLOW PIGMENT CATALASE+ MOTILITY – NITRATE + UREASE + OXIDASE+ INDOLE – CITRATE – GLUCOSE FERM – LACTOSE FERM- SUCROSE FERM -
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What type of bacteria is this ?
GRAM POSITIVE COCCUS
YELLOW PIGMENT
CATALASE+
MOTILITY –
NITRATE +
UREASE +
OXIDASE+
INDOLE –
CITRATE –
GLUCOSE FERM –
LACTOSE FERM-
SUCROSE FERM -
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- Clostridium Botulinum Physical caracteristics Shape Arrangement Gram status? Acid fast ? Capsule? Produce Endospore? Environmental Condition required for the growth Oxygen Which of these is: Obligate aerobe, obligate anaerobe, facultative anaerobe. Temperature Which of these is: Psychrophile, Mesophile, Thermophile pH Which of these is: Acidophile, Neutralophile, AlkaliphileWhich type of bacteria is responsible for producing ex-tremely toxic sulfuric acid?(a) Thiobacillus (d) Sulfur-oxidizing(b) Sulfate-reducing (e) a and d(c) Sulfur-reducingA microbiologist is working with a pure strain of bacteria isolated from a mixed sample. Which of the following would indicate that the bacterium is NOT Helicobacter pylori? Cells have flagella when viewed by flagellar staining. Secretes acids produced from metabolism of sucrose. Cells are curved rods. Produces and secretes urease enzyme. Cells stain Gram negative.
- Which of the following is halotorelant? E. coli Staphylococcus Proteus KlebsiellaBacteria of the genus Listeria, grows best aerobically, but can survive when there is no or very little oxygen. This characteristic classifies them as ___. obligate anaerobes obligate aerobes psychrophiles facultativeWhich of the following would you most expect to find in a fecal contaminated water sample? Gram-negative bacteria Mycorrhizal fungi Traces of ONPG and MUG Bacteria in staphylococcus arrangement
- The Legionella bacteria grows best in cold, running water. warm, stagnant water. cold, moving air. warm, non-moving air.Which lactose (+), Gram negative, short rod forms a pink to brick red colony on MacConkey's agar and a metallic green sheen on Levine's EMB agar? Group of answer choices Serrate marcescens E. coli Proteus vulgaris Salmonella enteriditis Enterobacter aerogenesWhat is morganella morganii bacteria : 1) Gram stain; (2) Shape; (3) Arrangement; (4) Fermentation on lactose; (5) Fermentation on glucose; (6) Fermentation on sucrose; (7) Fermentation on mannitol; (8) EMB; (9) MSA; (10) Growth on MAC; (11) PEA; (12) Citrate utilization; (13) Catalase; (14) Gas production; (15) Aerotolerance
- A microbiologist is working with a pure strain of bacteria isolated from a mixed sample. Which of the following would indicate that the bacterium is NOT Streptococcus mutans? Cells are arranged in chains. Secretes acids produced from metabolism of sucrose. Cells are cocci. Can grow in biofilms. Cells stain Gram negative.Which of the following bacterial groups would you expect tobe MOST likely associated with human infections?(a) Thermophiles(b) Lactophiles(c) Psychrophiles(d) Pedophiles(e) MesophilesAssume that after washing your hands, you leave ten bacterial cells on a new bar of soap. You then decide to do a plate count of the soap after it was left in the soap dish for 24 hours. You dilute 1 g of the soap 1:106 and plate it on heterotrophic plate count agar. After 24 hours of incubation, there are 168 colonies. How many bacteria were on the soap? How did they get there?