Additional questions for Lab #15

 

 

 

 

 

1. You inoculate a plate with 0.1 mL of a culture dilution and 93 colonies appear on the plate. How many bacteria were in the culture dilution?

 

2. How many L are there in 1.0 mL? in 1.0 L?

 

3. A culture in subject to a 1:100 dilution and 2 subsequent 1:10 dilutions. A plate is inoculation with 0.1 mL from the final 1:10 dilution and 83 colonies appear on the plate. How many cells were there in the original culture?