Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 1, Problem 2R
Briefly state the role microorganisms play in each of the following:
- a. biological control of pests
- b. recycling of elements
- c. normal microbiota
- d. sewage treatment
- e. human insulin production
- f. vaccine production
- g. biofilms
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Chapter 1 Solutions
Microbiology: An Introduction
Ch. 1 - Review 1. How did the idea of spontaneous...Ch. 1 - Briefly state the role microorganisms play in each...Ch. 1 - Into which field of microbiology would the...Ch. 1 - Match the microorganisms in column A to their...Ch. 1 - Match the people in column A to their contribution...Ch. 1 - It is possible to purchase the following...Ch. 1 - NAME IT What type of microorganism has a...Ch. 1 - DRAW IT Show where airborne microbes ended up in...Ch. 1 - Prob. 1MCQCh. 1 - Which of the following is not a characteristic of...
Ch. 1 - Which of the following is the most important...Ch. 1 - Recombinant DNA is a. DNA in bacteria. b. the...Ch. 1 - Which of the following statements is the best...Ch. 1 - Which of the following is a beneficial activity of...Ch. 1 - It has been said that bacteria are essential for...Ch. 1 - Prob. 8MCQCh. 1 - Spallanzanis conclusion about spontaneous...Ch. 1 - Which of the following statements about E. coli is...Ch. 1 - How did the theory of biogenesis lead the way for...Ch. 1 - Even though the germ theory of disease was not...Ch. 1 - Prob. 3ACh. 1 - Find at least three supermarket products made by...Ch. 1 - People once believed all microbial diseases would...Ch. 1 - Prob. 1CAECh. 1 - In 1864, Lister observed that patients recovered...
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- Normal microbiota provide protection from infection in each of the following ways EXCEPT: Question 3 options: A) they produce antibacterial chemicals. B) they compete with pathogens for nutrients. C) they make the chemical environment unsuitable for nonresident bacteria. D) they produce lysozyme.arrow_forwardChoose the best below ? Which of the following best describes the term microbiota? a. The microbes that are smaller than a eukaryotic cell.b. The microbes that cause disease.c. The microbes that are decomposers.d. The microbes that are naturally found on or within our bodies.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_forward
- Briefly state the role microorganisms play in each of the following: A. Normal Microbiota B. Vaccine production C. Food and Beverage industryarrow_forwardThe objective of this question is to understand the distribution of infectious pathogens, using information from three different scientific articles. Infectious pathogens, which include bacteria, viruses, fungi, and parasites, can be distributed in a variety of ways, including through direct contact, airborne transmission, and vector-borne transmission.arrow_forwardthe following are the steps, listed in random order, for utilizing koch's postulates. what should be the second step out of the four listed? a. a microorganism is found to be present in every case of a disease. b. the same microbe discovered previously is isolated from the purposely infected host c. the pathogen is isolated and grown in pure culture d. the same disease results after isolated organism is inoculated into healthy hostarrow_forward
- Which aspects of a microbial disease make it more likely to cause an outbreak? In other words, what advantages do these microbes have that others do not? Use an example of at least one outbreak in your description. 2. What measures are taken in the United States to prevent outbreaks from occurring? 3. What disease not prevalent in the United States do you think has the potential of causing a major outbreak in the United States? Name at least one reason to support your assertion.arrow_forwardwhich of the following definitions is not technically correct? a. broad spectrum - effective against many different types of microbes b. bacteriostatic - prevents microbes from growing c. antibiotic - microbial or synthetic product that kills or inhibits growth of microbes. d. all of the above are correctarrow_forwardAn infectious dose of several million cells in enteric infections seems like a lot. a. In terms of the size and abundance of microbes, could you see a cluster containing that many cells with the naked eye? b. About how long would it take an average bacterial species to reach the infectious dose of a million cells starting from a single cell? c. Why do enteric diseases require a relatively higher infectious dose than nonenteric diseases? d. Explain why antimicrobic therapy used on gram-negative bacterial infections could actually lead to illness rather than cure itarrow_forward
- Why are Pseudomonas aeruginosa infections difficult to treat? A. Because they form biofilms, which are difficult for antibiotics to penetrate. B. Because they have a special endotoxin that degrades many antibiotics. C. Because we do not have any antibiotics that target P. aeruginosa. D. Because they are gram-positive bacteria, which are harder to treat.arrow_forwardDescribe several ways that the benefi cial qualities of microbes greatly outweigh their roles as infectious agents.arrow_forwardExplain, using three different microbes as examples, how a single microbial species can be responsible for more than one different human diseasearrow_forward
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