**Question 15**Which of the following is more likely to cause urinary tract infections?- a. fimbriated strains of *Escherichia coli*- b. non-fimbriated strains of *Escherichia coli*- c. both fimbriated and non-fimbriated strains of *Escherichia coli*- d. pili producing strains of *Escherichia coli***Question 16**Which of the following is an example of an exoenzyme that can allow microbes to hide from the host defenses?- a. superantigen- b. lipid A- c. coagulase- d. hyaluronidase

Urinary tract infection is an infection which occurs in any part of the urinary system. It is more…

Answered: QUESTION 15 Which of the following is…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The pathogenic strain of the bacterium E. coli (0157:H7) has been shown to be responsible for lethal outbreaks of food poisoning. Bacteria on contaminated food enters the stomach and travels to the large intestine where it causes severe diarrhea. If it enters the bloodstream it causes hemolytic uremic syndrome which results in severe anemia, kidney failure, and in some cases death. The stomach is an extremely acidic environment and to survive the bacteria have a series of enzymes that they produce to protect themselves. This acid stress response is mediated primarily through the gad operon. What is an operon? O a. A series of genes controlled by the same operator O b. A series of genes on the same MRNA molecule O C. A series of genes that all have the same function O d. A series of genes all regulated by the same repressor
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QUESTION 15 Which of the following is more likely to cause urinary tract infections? O a. fimbriated strains of Eschenchia coli Ob. non-fimbriated strains of Escherichia coli Oc both fimbriated and non-fimbriated strains of Eschenichia coli Od. pilli producing strains of Escherichia col