Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
12th Edition
ISBN: 9780134605203
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Chapter 48, Problem 1CA
Summary Introduction
To fill:
Shigella sp.
Introduction:
In the investigation of a diarrheal disease in a child care center which includes vomiting, fever, nausea and cramps characteristics of the bacteria to be identified is provided. Since the MacConkey agar gives colorless colonies, it is evident that the bacterium is a lactose non-fermenter.
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what key characteristics would you look for when identifying microbes?
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INTRODUCTION
LABORATORY SIMULATION
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Tube 2
(Glucose)
Tube 3
(Sucrose)
Tube 4
(Starch)
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(Water)
CO₂ Bubble Height (mm)
How to Measure
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Complete the following steps:
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bubble in respirometer 1. Record in
Lab Data
Repeat measurement for tubes 2-5
by selecting ruler and move next to
each tube. Record each in Lab
Data…
Chapter 48 Solutions
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
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- Molecular Biology You discover a disease causing mutation (indicated by the arrow) that alters splicing of its mRNA. This mutation (a base substitution in the splicing sequence) eliminates a 3’ splice site resulting in the inclusion of the second intron (I2) in the final mRNA. We are going to pretend that this intron is short having only 15 nucleotides (most introns are much longer so this is just to make things simple) with the following sequence shown below in bold. The ( ) indicate the reading frames in the exons; the included intron 2 sequences are in bold. A. Would you expected this change to be harmful? ExplainB. If you were to do gene therapy to fix this problem, briefly explain what type of gene therapy youwould use to correct this. Please help. Thank youarrow_forwardMolecular Biology Question Please help. Thank you Explain what is meant by the term “defective virus.” Explain how a defective virus is able to replicate.arrow_forwardMolecular Biology Explain why changing the codon GGG to GGA should not be harmful. Please help . Thank youarrow_forward
- Stage Percent Time in Hours Interphase .60 14.4 Prophase .20 4.8 Metaphase .10 2.4 Anaphase .06 1.44 Telophase .03 .72 Cytukinesis .01 .24 Can you summarize the results in the chart and explain which phases are faster and why the slower ones are slow?arrow_forwardCan you circle a cell in the different stages of mitosis? 1.prophase 2.metaphase 3.anaphase 4.telophase 5.cytokinesisarrow_forwardWhich microbe does not live part of its lifecycle outside humans? A. Toxoplasma gondii B. Cytomegalovirus C. Francisella tularensis D. Plasmodium falciparum explain your answer thoroughly.arrow_forward
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