Why did we both stab and streak our blood agar plates when inoculating them with bacteria?

A culture medium that does not grow gram-positive organisms would be a differential plate enrichment plate selective plate streak plate pour plate

Which of the following would suggest your stock culture is contaminated? Which of the following would suggest your stock culture is contaminated? Gram stain indicates Gram-positive bacilli. Broth media become turbid. Gram stain indicates both Gram-positive cocci and Gram-negative bacilli. Colony morphology is uniform on the streak isolation plate. Gram stain indicates Gram-positive staphylococci.

You collected a sample from a patient with a suspected STI. After Gram staining, you observed this under the microscope. What can you conclude about this microbial agent?   Also I have attached a picture

Mueller-Hinton agar needs to be made to specific standards in order to yield reliable, reproducible results. How deep is the agar on a Mueller-Hinton agar plate? a) 2 mm b) 4 mm c) 6 mm d) 8 mm

A lab technician is working with a bacterium in pure culture (in 5 ml of liquid media in a test tube). The bacterium is a mesophile that can infect humans. Which of the following is NOT true (with regards to temperature conditions for this bacterial culture)?     Lowering the temperature to -10 deg C for at least an hour will likely kill all the bacteria.     Placing the tube at 37 deg C will likely facilitate rapid growth of the bacteria.     Raising the temperature to 90 deg C for at least an hour will likely kill all the bacteria.     Placing the tube at 4 deg C will likely slow or halt growth of the bacteria.

why In spread-plate technique, the bacterial suspension volume  should not exceed 0.1ml.

you are given a mixed culture of S. aureus, E. coli and P. aeruglinosa. How would you isolate each of them from this mixed culture? Besides usina a streak plate

You mixed up the numbers on the tubes when you inoculated the mannitol salt agar (MSA) plate. You do not know if you grew staph epidermis or E. coli. You found that the organism growing on the mannitol salt agar remained red after incubation. It is most likely that the organism is E.coli.  a) True b) False

You are working through the Gram Staining procedure on a mixed culture of S. aureus (G+) and E. coli (G-) (gram + & gram -) organisms respectively. If you accidentally use too much alcohol / acetone during the procedure, which of the following will likely happen? E. coliE. coli will appear to be Gram + will appear to be Gram +E. coli will appear to be Gram + S. aureus will appear to be Gram - Both organisms will appear colorless Both organisms will appear purple None of the answers are correct