I have questions about B.cereus. (Food microbiology)
What is the answers of these questions.
Question 6 (1 point)
Why does this method need to be performed as spread plates instead of
Question 6 options:
19 (1 point)
The bacteria is sensitive to the heated media
Which of the follow is NOT a test used in the confirmation of B.cereus
from other Bacillus species?
Spread plates are quicker to perform in the lab
Question 9 options:
The media has heat sensitive components
There is no reason that spread plates were done, we could have used Pour plates too
Question 7 (1 point)
What reaction would you expect from B.cereus for the Protein Toxin
Question 7 options:
Question 10 (1 point)
Why should the sample homogenate from a dry food samples sit at
room temperature for 15 minutes before pipetting?
Question 10 options:
This test is not used for the confirmation of B.cereus
It takes approximately 15 minutes to label your plates and prepare all your dilutions tubes
Question 8 (1 point)
This is what the method says, so I just do it.
Which ingredient in the PEMB media gives it the Blue color when
Samples should never be left to sit for gt;15 minutes before plating as this can lead to artificially higher
Question 8 options:
This will increase the recovery of the organisms because the spores are given a chance to start germinating
before plating on agar