A bacterial culture was grown for 12 hours. At 4-hour interval, the culture was sampled to determine the population of the culture, by transferring 25 mlof the suspension to 225 ml 0.90% Nacl. Three consecutive dilutions were further made by using 1 mlaliquot in 9 mlof 0.90% Nacl. One ml from each dilution was plated in each of duplicate plates. The following table shows the results of the plating method. EDITS pling COUNTS 1st dilution 54; 61 TNTC TNTC 2nd dilution 3; 7 TNCT TNTC 3rd dilution 0; 0 242; 233 TNTC 4th dilution 0, 0 28: 37 249;246 st nd Brd TNTC Too numerous to count %3D ustrate the dilution series used and label the final dilution of each dilution.
A bacterial culture was grown for 12 hours. At 4-hour interval, the culture was sampled to determine the population of the culture, by transferring 25 mlof the suspension to 225 ml 0.90% Nacl. Three consecutive dilutions were further made by using 1 mlaliquot in 9 mlof 0.90% Nacl. One ml from each dilution was plated in each of duplicate plates. The following table shows the results of the plating method. EDITS pling COUNTS 1st dilution 54; 61 TNTC TNTC 2nd dilution 3; 7 TNCT TNTC 3rd dilution 0; 0 242; 233 TNTC 4th dilution 0, 0 28: 37 249;246 st nd Brd TNTC Too numerous to count %3D ustrate the dilution series used and label the final dilution of each dilution.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![1. A bacterial culture was grown for 12 hours. At 4-hour interval, the culture was
sampled to determine the population of the culture, by transferring 25 mlof the
suspension to 225 ml 0.90% NaCI. Three consecutive dilutions were further made by
using 1 mlaliquot in 9 mlof 0.90% NaCl. One ml from each dilution was plated in
each of duplicate plates. The following table shows the results of the plating
method.
Sampling
COUNTS
1st dilution
54; 61
TNTC
2nd dilution
3; 7
TNCT
3rd dilution
0; 0
242; 233
TNTC
4th dilution
0, 0
28: 37
249;246
1st
2nd
3rd
TNTC
TNTC
* TNTC
Too numerous to count
a. Illustrate the dilution series used and label the final dilution of each dilution.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5569d78b-3664-421f-9385-ab0ab18bcf34%2Fae4388b5-1190-44a0-8cd5-7ea60dd21eb3%2Fiyos1d_processed.png&w=3840&q=75)
Transcribed Image Text:1. A bacterial culture was grown for 12 hours. At 4-hour interval, the culture was
sampled to determine the population of the culture, by transferring 25 mlof the
suspension to 225 ml 0.90% NaCI. Three consecutive dilutions were further made by
using 1 mlaliquot in 9 mlof 0.90% NaCl. One ml from each dilution was plated in
each of duplicate plates. The following table shows the results of the plating
method.
Sampling
COUNTS
1st dilution
54; 61
TNTC
2nd dilution
3; 7
TNCT
3rd dilution
0; 0
242; 233
TNTC
4th dilution
0, 0
28: 37
249;246
1st
2nd
3rd
TNTC
TNTC
* TNTC
Too numerous to count
a. Illustrate the dilution series used and label the final dilution of each dilution.
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