Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Chapter 26, Problem 9R
Summary Introduction
To review:
Intracellular reticulate bodies of this gram-negative bacterium convert to elementary bodies that can infect a new host cell
Introduction:
Chlamydia trachomatis is a gram-negative, intracellular pathogen transmit through sexual contact. It causes chlamydia, urethritis, cervicitis and pelvic inflammatory disease.
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Once these pathogens enter the host the difference in environmental conditions signals for them to germinate and turn into growing cells. Compare Inhalation anthrax (Bacillus anthracis) to Tetanus (Clostridium tetani). Besides endospores used in transmission, what is a simple explanation to help explain how each microbe survives and grows in each location?
The genus of bacteria with leaky cell walls which are transmitted among humans by direct contact is:
Why must the top agar be supplemented with maltose?
A) Maltose allows for binding of the phage to the E. Coli and aids in the infection process
B) Maltose helps stabilize the phage within the media
Chapter 26 Solutions
Microbiology: An Introduction
Ch. 26 - coli to cause cystitis. Do the same for...Ch. 26 - Prob. 2RCh. 26 - Explain why E. coli is frequently implicated in...Ch. 26 - Name one organism that causes pyelonephritis. What...Ch. 26 - Prob. 5RCh. 26 - Describe the symptoms of genital herpes. What is...Ch. 26 - Name one fungus and one protozoan that can cause...Ch. 26 - List the genital infections that cause congenital...Ch. 26 - Prob. 9RCh. 26 - The tropical skin disease called yaws is...
Ch. 26 - Prob. 2ACh. 26 - How is this selective for Neisseria?Ch. 26 - Prob. 4ACh. 26 - Prob. 1MCQCh. 26 - Prob. 2MCQCh. 26 - Microscopic examination of vaginal smear shows...Ch. 26 - Prob. 4MCQCh. 26 - Prob. 5MCQCh. 26 - Fluid-filled vesicles a. candidiasis b. bacterial...Ch. 26 - Fluid-filled vesicles a. candidiasis b. bacterial...Ch. 26 - The most common cause of cystitis. a. Chlamydia...Ch. 26 - In cases of NGU, diagnosis is made using PCR to...Ch. 26 - Prob. 1CAECh. 26 - A 28-year-old woman was admitted to a Wisconsin...Ch. 26 - Prob. 3CAE
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- About becterial enzymes, it is CORRECT to affirm that: a). Some becterial enzymes can help the microbe fight the immune system, by destroying lgA.b). Coagulases are enzymes that use the host's fibrinogen and form a semi-solid get that isolates amd protects the bacteria.c). Some bacterial enzymes such as hyaluronidase can help the microble move through the host's tissus by destroying the tissue's components.d). Fibrolysin is an enzymes that can help from blood clots.arrow_forwardWhy is Salmonella typhi a gram negative bacilli? Explain.arrow_forwardWhy do gram-positive bacteria not produce endotoxins?arrow_forward
- The peptidoglycan layer of Gram-positive bacteria is exposed to the extracellular environment. True Falsearrow_forwardList the four cellular agents of bacterium that most antimicrobial agents such as antibiotics target. Explain how each area is affected by the agent.arrow_forwardDraw the cell wall of both a Gram-positive and a Gram negative bacteria. Be certain to note which molecules are responsible for the cells’ overall negative charges as well as being responsible for pathogenesis?arrow_forward
- What do Gram positive bacteria generally possess and how will these help them in their virulence?arrow_forwardInfections among hospitalized patients are often related to the presence of a medical device in the patient. Which conditions favor the formation of biofilms on in-dwelling catheters?arrow_forwardWhich of the following contribute to a pathogen's invasiveness? endotoxins hyaluronidase F proteinarrow_forward
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