Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 15, Problem 5R
Summary Introduction
To review:
The similarities and differences between endotoxins and exotoxins on the following aspects: bacterial source, chemistry, toxicity, and pharmacology.
Introduction:
Microorganisms that have the ability to cause infectious diseases are called as pathogens. Such microorganisms include bacteria,
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Compare endotoxins and exotoxins produced by bacteria to include: 1) the type(s) or source(s) of bacteria that produce each toxin2) what each toxin is composed of3) how each toxin is released into the environment
Discuss in detail how toxins enter human bodies via various entry points, be transported to different body organs, be metabolized, and are secreted. Provide examples in the discussion as well. Discuss in one page-worth of words (around 300).
Describe in detail the exotoxin and endotoxin with examples and diagrams.
note: please write as much as you can, the more the better
Chapter 15 Solutions
Microbiology: An Introduction
Ch. 15 - Compare pathogenicity with virulence.Ch. 15 - How are capsules and cell wall components related...Ch. 15 - Prob. 3RCh. 15 - Explain how drugs that bind each of the following...Ch. 15 - Prob. 5RCh. 15 - Prob. 6RCh. 15 - Prob. 7RCh. 15 - Which of the following genera is the most...Ch. 15 - How can viruses and protozoa avoid being killed by...Ch. 15 - Prob. 10R
Ch. 15 - The removal of plasmids reduces virulence in which...Ch. 15 - Prob. 2MCQCh. 15 - Prob. 3MCQCh. 15 - All of the following can occur during bacterial...Ch. 15 - The ID50 for Campylobacter sp. is 500 cells; the...Ch. 15 - Prob. 6MCQCh. 15 - A drug that binds to mannose on human cells would...Ch. 15 - The earliest smallpox vaccines were infected...Ch. 15 - Prob. 9MCQCh. 15 - Which of the following statements is true? a. The...Ch. 15 - Prob. 1ACh. 15 - Prob. 3ACh. 15 - How do each of the following strategies contribute...Ch. 15 - On July 8, a woman was given an antibiotic for...Ch. 15 - Explain whether each of the following examples is...Ch. 15 - Cancer patients undergoing chemotherapy are...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Here are four toxins: diphtheria toxin, cholera toxin, tetanus toxin, and exfoliative toxin. Choose two of them and answer the following questions: 1. Is it an exotoxin or an endotoxin? 2. Which bacterial species produces it? 3. Briefly describe its mode of action and how it causes damage to the host cells. Include specific signs and symptoms.arrow_forwardEndotoxin is associated witha) Gram-positive bacteria.b) Gram-negative bacteria.c) the cytoplasmic membrane.d) endospores.arrow_forwardChoose one infectious disease from the list below and use the chain of infection to analyze how it is spread. A. Please provide a comprehensive description of cholera. B. Describe the chain of infection cholera. The chain of infection for the chosen infectious disease must clearly include the following: 1. Identification of a) the pathogen, b) the reservoir c) means of transmission d) the susceptible host 2. Describe how one could break the chain of cholera, such as breaking the pathogen link, by providing a specific intervention. 3. Include references and relevant data.arrow_forward
- Selective toxicity of a drug refers to a) damage to pathogenic organisms only b) damage to prokaryotic cell membranes c) damage to the target organisms but not the host cell d) easily broken down by the host and pathogen.arrow_forwardDefine 43-kDa connexinarrow_forwardWhich of the following types of antimicrobial drugs make microbes more susceptible to osmotic pressure? 1) drugs that inhibit nucleic acid synthesis O 2) drugs that inhibit metabolic pathways 3) drugs that inhibit cell wall synthesis 4) drugs that block a pathogen's recognition of its host 5) drugs that inhibit protein synthesisarrow_forward
- Which one of the following categories for antibacterial agents is most likely to have toxic side effects for humans? a) disruptors of cell membrane structure b) inhibitors of cell wall synthesis Oc) inhibitors of protein synthesis d) antimetabolites RESET e) inhibitors of DNA synthesis Cancel Donearrow_forwardGive detailed Solution. Don't give Ai generated solutionarrow_forwardCompare exotoxin from endotoxin based on the following features FEATURE EXOTOXIN ENDOTOXIN Relation to cell Toxicity Stability Antigenicity Conversion to toxoidarrow_forward
- Foodborne pathogens often require the presence of a large number of microbes before an active infection results. These microbes would have a high A.) median infectious dose (ID50). B.) incubation period. C.) virulence. D.) median lethal dose (LD50). E.) mortality.arrow_forwardBelow are listed the LD-50 values for toxins from specific isolates of a bacterial species. Which toxin would be considered the "most lethal"?Diptheria toxin . .1 mg/kgClostridium difficile enterotoxin A .5 mg/kgV. cholerae toxin 250 mg/kgB. pertussis toxin 15 mg/kg a)diptheria toxin b)enterotoxin A c)V. cholerae toxin d)B. pertussis toxinarrow_forwardBelow are a list of virulence factors/ strategies paired with an example of an organism that utilizes them. How do each of the following strategies contribute to the virulence of the pathogen? Strategy - Causes the host to produce more receptors (Organism - Rhinovirus) Strategy - Produces gas as a product of fermentation (Organism - Clostridium perfringens) Strategy - Produces a capsule (organism - Klebsiella pneumonia) Strategy - Ability to move between adjacent cells (organism - Cytomegalovirus) Strategy - Ability to use pilus as a motility structure (organism - Pseudomonas aerogenosa)arrow_forward
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