A sample of well water is tested for its bacterial content in a plate count assay.A one-milliliter sample of the water is diluted in a 1:10 dilution series.One milliliter of the fourth dilution tube is plated in a pour plate.After incubation,the plate has 83 colonies,indicating that the original water sample contained
A)83 cells per milliliter.
B)830 cells per milliliter.
C)8,300 cells per milliliter.
D)83,000 cells per milliliter.
E)830,000 cells per milliliter.

Question

Quizplus · Accepted Answer

The Answer of A sample of well water is tested for its bacterial content in a plate count assay.A one-milliliter sample of the water is diluted in a 1:10 dilution series.One milliliter of the fourth dilution tube is plated in a pour plate.After incubation,the plate has 83 colonies,indicating that the original water sample contained
A)83 cells per milliliter.
B)830 cells per milliliter.
C)8,300 cells per milliliter.
D)83,000 cells per milliliter.
E)830,000 cells per milliliter.

A Sample of Well Water Is Tested for Its Bacterial