Please help me 7. Thanks 6. Which of the following types of media is considered

Question

Please help me 7. Thanks

6. Which of the following types of media is considered to be a chemically defined medium lacking growth factors? TSA b. GSA c. EMB 7. If you have a sample of bacteria that has 195,000 org/ml in a broth sample. If you plated 1.0ml on an agar plate, how many colonies would you have? (2) 95, 00031 1 How can you dilute it to obtain a countable number show dilutions for full credit. ible to ilution ranfou ml from rom tube2 g: You have a broth sample of E.coli ad lutian, it hos Anl Anl o 8. You have a broth sample of E. coli and dilute it to 100 8a. Show how you would set up your dilutions. (4) 102 1 106 10 - Transte

Explanation / Answer

7) If we plated 1 ml on an agar plate, we should get 195,000 colonies (if we consider all organisms are viable).

If we dilute the sample 1/10, that means 10-1, we will get 195,00 colonies

Then we further dilute the sample 1/10, that means 10-2, we will get 1950 colonies

Then we further dilute the sample 1/10, that means 10-3, we will get 195 colonies

And I think, it is a countable number.

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