Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 11, Problem 1A
Summary Introduction
Introduction
Yes, because there are millions of bacteria exist on the earth, only 5,000 bacterial species were identified by microbiologists. Therefore 3,000 species have been listed in Bergey’s manual. Using conventional growth medium to the entire bacterial community cannot be cultivated. It is a great deal for microbiologists to identify and grow new bacterial species using new tools and techniques. Therefore scientist still need to attempt to grow more new bacterial species.
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18. All the followings can be produced through Industrial Microbiology techniques except: a) antibiotics b) Amino Acids c) steroids d) polysaccharides19. The new process for cleaning the environment through bioorganic method using bacteria which genome has been modified is called: a) Bioconversion b) Biotechnology c) Bioinformatics d) Bioremediation20) What was the main reason to make cheese in the past
An example of bioremediation is
A) the use of prokaryotes to treat sewage or clean up oil spills.
B) the production of antibiotics by cultured prokaryotes.
C) the application of bacteria to produce transgenic plants.
You have recently been hired as a researcher in a premier university. Your research deals with isolating novel antibiotics from Streptomyces species to offer solution in the growing problem of antibiotic resistance. Unfortunately, late one night you did not label the tubes and plates clearly. Now your promising work needs to be resolved with only a few of information retained. Gladly, you found the results in your notebook. Unfortunately, they are not labeled either. These graphs represent percentage of survival of bacteria after treatment with the antibiotics. Samples with antibiotic added (black bars); controls with no antibiotic added (grey bars).
You need to identify which antibiotic was used per set-up (see figure). Listed below are some essential information.
Antibiotic A: 0.5 kDa protein, targets peptidoglycanAntibiotic B: 20 kDa protein, targets peptidoglycanAntibiotic C: Cationic antimicrobial peptideAntibiotic D: Targets lipopolysaccharide
Staphylococcus aureus: gram-positive…
Chapter 11 Solutions
Microbiology: An Introduction
Ch. 11 - The following outline can be used to identify...Ch. 11 - Compare and contrast each of the following: a....Ch. 11 - DRAW IT Draw a key to differentiate the following...Ch. 11 - Prob. 4RCh. 11 - If you Gram-stained the bacteria that live in the...Ch. 11 - Which of the following does not belong with the...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Which of the following terms is the most specific?...Ch. 11 - Which one of the following does not belong with...
Ch. 11 - Which of the following pairs is mismatched? a....Ch. 11 - Prob. 8MCQCh. 11 - When Legionella was newly discovered, why was it...Ch. 11 - Prob. 10MCQCh. 11 - Prob. 1ACh. 11 - Prob. 2ACh. 11 - Bacteria are single-celled organisms that must...Ch. 11 - After contact with a patients spinal fluid, a lab...Ch. 11 - Between April 1 and May 15 of one year. 22...Ch. 11 - Prob. 3CAE
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- You have recently been hired as a researcher in a premier university. Your research deals with isolating novel antibiotics from Streptomyces species to offer solution in the growing problem of antibiotic resistance. Unfortunately, late one night you did not label the tubes and plates clearly. Now your promising work needs to be resolved with only a few of information retained. Gladly, you found the results in your notebook. Unfortunately, they are not labeled either. These graphs represent percentage of survival of bacteria after treatment with the antibiotics. Samples with antibiotic added (black bars); controls with no antibiotic added (grey bars). You need to identify which antibiotic was used per set-up (see figure). Listed below are some essential information. Antibiotic A: 0.5 kDa protein, targets peptidoglycanAntibiotic B: 20 kDa protein, targets peptidoglycanAntibiotic C: Cationic antimicrobial peptideAntibiotic D: Targets lipopolysaccharide Staphylococcus aureus: gram-positive…arrow_forwardA large oil spill in the Pacific Ocean is threatening marine life. Scientists charged with cleaning up the spill believe bioremediation is the best option, but they are not sure what type of bacterial species to use in the bioremediation process. To help them in their decision, they have listed the nutritional modes of each species. Given your knowledge of the different nutritional modes of bacteria, which nutritional mode would be most beneficial in bioremediation of the oil spill? Chemophototroph Extremotroph Photoautotroph Chemoheterotropharrow_forwardDiscuss the elucidate beneficial importance in studying microbiology in terms of a) environmental importance; b) industrial importance; c.) research-geneticsarrow_forward
- 8. All the followings can be produced through Industrial Microbiology techniques except: a) antibiotics b) Amino Acids c) steroids d) polysaccharides19. The new process for cleaning the environment through bioorganic method using bacteria which genome has been modified is called: a) Bioconversion b) Biotechnology c) Bioinformatics d) Bioremediationarrow_forwardConsider the fact that the use of 16S rRNA sequencing as a taxonomic and phylogenetic tool has resulted in tripling the number of bacterial phyla. Why has the advent of this genetic technique expanded the currently accepted number of microbial phyla?arrow_forwardhow can bacteria populations become resistant to antibiotics? use the terms pre- existing, inherited, variation, survive, over generations and resistantarrow_forward
- Create a timeline of historical figures and their contributions that have informed our modern understanding and practice of microbiology from the 1600s to today. The timeline must include the dates and contributions of the following people: Linnaeus, Antony van Leeuwenhoek, Robert Hooke, Louis Pasteur, Francesco Redi, Robert Koch, Charles, Darwin, Joseph Lister, Carl Woese, and Kary Mullis.arrow_forwardDiscuss the beneficial importance/applications of studying microbiology in terms of a.) causative agents of infectious disease; b.) normal flora; c.)environmental importance; d.) industrial importance; e.) research-geneticsarrow_forwardWhich among A-D is false regarding growth and/or analysis of a bacterial culture? A) O Fed-batch growth: typically results in an increased yield of cells over that obtained with batch growth B) O Auxotroph: requires addition of specific growth factors in order to grow C) O Prototroph: typically the wild type strain that possesses all the features indicative of the species D) O None of A-D is false; all are true statementsarrow_forward
- A research microbiologist looking at evolutionary relatedness between two bacterial species is more likely to use Bergey’s Manual of Determinative Bacteriology than Bergey’s Manual of Systematic Bacteriology. True or false?arrow_forwardMicrobiology Briefly describe any THREE CATEGORIES (three modes of action) of antibacterial drugs. Make sure to tell how they work and how bacteria have become resistant to them.arrow_forwardWhat are secondary metabolites? In terms of microbial technology, how do we get bacteria to produce them with cloning technology? Explain the stages in schematics and explanations.arrow_forward
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