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A culture medium that does not grow gram-positive organisms would be a
- differential plate
- enrichment plate
- selective plate
- streak plate
- pour plate
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- Bacterial cells can form colonies on the following media EXCEPT: Select one: Nutrient broth Agar slant Agar plates Agar deepWhich of the following media selects for gram negative bacteria by inhibiting the growth of gram positives that typically incorporate its dye component into their relatively bigger cell walls? blood agar EMB Mannitol salt agar Simmon citrate agar urease brothAntibiotics should be reduced or eliminated from culture media during cell subculturing. Make it more detailed.
- When viable cell concentrations are too high to count on an agar plate, it is common to use larger sized plates to increase the surface area for counting the colonies.True or falseA bacterial sample collected from a patient is processed using a Gram's stain. After staining, the bacteria develop a slight pinkish color. This coloration would suggest the patient is suffering from a infection. Gram Positive Bacteria Viral Gram Negative Bacteria Gram CrackerTechnique used to inoculate plate media using inoculating loop. Technique used to inoculate agar deep using inoculating needle. Pattern used to inoculate agar slant to get luxuriant culture. This pattern increases the surface area of agar that can be inoculated. Can you answer all the questions? Thankyou!
- A growth medium consisting of only known amounts of water, magnesium, calcium chloride, potassium and glucose would be considered a chemically defined medium a complex medium a chemically nondefined medium differential medium selective mediumIs the mannitol salt agar (MSA) a complex or defined medium? Explain based on Composition. What kind of media based on what kind of microorganisms it allows to growWhat are the primary uses of the following preparations of culture media? Agar regular slant Agar special slant Agar deep Broth Agar plate
- A patient is diagnosed with a urinary tract infection and a urine sample is obtained and sent to the microbiology lab. The urine sample is inoculated to agar plates and after 24 hours of incubation bacterial colonies are present on the plates. Draw what the bacterial growth on the agar plate looks like.In a bacterial culture on an agar plate, what is a zone of inhibition? An area where the growth of bacteria is increased compared to the rest of the agar plate An area where the growth of bacteria is prevented or reduced compared to the rest of the agar plate An area where the growth of bacteria is not affected compared to the rest of the agar plate An area where the the agar becomes contaminated with moldAfter performing a Gram stain on a Gram negative bacteria, the specimen does not show pink or purple bacteria. Which of the following could notexplain why this occurred? Decolorizer was used after safranin Safranin was not used Crystal violet was not used The specimen was not heat-fixed