EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
5th Edition
ISBN: 9780134607894
Author: BAUMAN
Publisher: PEARSON CO
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Textbook Question
Chapter 3, Problem 1CCS
The Big Game
College sophomore Nadia is a star point guard for her school’s basketball team. She is excited about the divisional finals Friday night-she’s even heard rumors that a professional scout will be in the stands. On Thursday morning, she wakes up with a sore throa1. Her forehead doesn’t feel warm, so she forces herself to attend her Thursday classes; but when she wakes up on Friday morning, her throat is noticeably worse. Still, she forces herself to attend Friday morning class but feels tired and much worse by noon. It is downright painful to swallow, and she skips lunch.
Nearly crying, she heads back to the dorm and checks her temperature—101°F. Desperate, she walks to the student health center, where a nurse practitioner notices white spots on the back of Nadia's throat and on her tonsils. The divisional basketball game starts in six hours, but it only takes a few minutes for the nurse practitioner to perform a rapid streptococcal antigen test and determine that Nadia has streptococcal pharyngitis—strep throat. She will miss the big game.
Strep throat is caused by an encapsulated, Gram-positive bacterium, Streptococcus pyogenes. The only good news is that by taking the prescribed penicillin, Nadia should be ready for her next big game-hopefully, the quarterfinals.
- 1. How does the capsule of Streptococcus contribute to the bacterium's ability to cause disease?
- 2. What bacterial structures, besides the capsule, may be allowing Streptococcus to infect Nadia’s throat?
- 3. Penicillin works by interrupting the formation of peptidoglycan. What bacterial structure contains peptidoglycan? In a Gram-positive organism such as Streptococcus, is this structure typically thicker or thinner than ii would be in a Gram-negative bacterium?
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Chapter 3 Solutions
EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
Ch. 3 - Prob. 1TMWCh. 3 - In 1985, an Israeli scientist discovered the...Ch. 3 - Why is a pilus a type of fimbria, but a flagellum...Ch. 3 - Why is the microbe illustrated in Figure 3.2 more...Ch. 3 - The Big Game College sophomore Nadia is a star...Ch. 3 - When the bacterium Escherichia coli is grown in a...Ch. 3 - Prob. 6TMWCh. 3 - Why do scientists consider bacterial and archaeal...Ch. 3 - Why did scientists in the 19th and early 20th...Ch. 3 - Why do some scientists consider archaea, which are...
Ch. 3 - Why are eukaryotic glycocalyces covalently bound...Ch. 3 - Many antimicrobial drugs target bacterial cell...Ch. 3 - Colchicine is a drug that inhibits microtubule...Ch. 3 - A cell may allow a large or charged chemical to...Ch. 3 - Which of the following statements concerning...Ch. 3 - A 9 + 2 arrangement of microtubules is seen in...Ch. 3 - Which of the following is most associated with...Ch. 3 - Which of the following is not associated with...Ch. 3 - Which of the following is true of Svedbergs? a....Ch. 3 - Which of the following statements is true? a. The...Ch. 3 - Prob. 8MCCh. 3 - Bacterial flagella are ______________. a. anchored...Ch. 3 - Prob. 10MCCh. 3 - A Gram-negative cell is moving uric acid across...Ch. 3 - Gram-positive bacteria _______________. a. have a...Ch. 3 - Endospores ________________. a. are reproductive...Ch. 3 - Prob. 14MCCh. 3 - Dipicolinic acid is an important component of...Ch. 3 - Match the structures on the left with the...Ch. 3 - Match the term on the left with its description on...Ch. 3 - Label the structures of the following prokaryotic...Ch. 3 - Label each type of flagellar arrangement.Ch. 3 - A scientist who is studying passive movement of...Ch. 3 - Describe (or draw) an example of diffusion down a...Ch. 3 - Sketch, name, and describe three flagellar...Ch. 3 - Prob. 3SACh. 3 - The term fluid mosaic has been used in describing...Ch. 3 - A local newspaper writer has contacted you, an...Ch. 3 - Prob. 6SACh. 3 - Compare bacterial cells and algal cells, giving at...Ch. 3 - Contrast a cell of Streptococcus pyogenes (a...Ch. 3 - Differentiate among pili, fimbriae, and cilia,...Ch. 3 - Prob. 10SACh. 3 - Prob. 11SACh. 3 - Prob. 12SACh. 3 - What is the function of glycocalyces and fimbriae...Ch. 3 - Prob. 14SACh. 3 - Compare and contrast three types of passive...Ch. 3 - Prob. 16SACh. 3 - Prob. 17SACh. 3 - Prob. 18SACh. 3 - Prob. 1CTCh. 3 - Methylene blue binds to DNA. What structures in a...Ch. 3 - Prob. 3CTCh. 3 - Prob. 4CTCh. 3 - A researcher carefully inserts an electrode into...Ch. 3 - Prob. 6CTCh. 3 - An electron micrograph of a newly discovered cell...Ch. 3 - An entry in a recent scientific journal reports...Ch. 3 - Prob. 9CTCh. 3 - Prob. 10CTCh. 3 - Prob. 11CTCh. 3 - Prob. 12CTCh. 3 - Prob. 13CTCh. 3 - Prob. 14CTCh. 3 - Using the following terms, fill in the following...
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