Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 27, Problem 3MTF
______ Aquatic microorganisms are more prevalent near the surface than at the bottom of waterways.
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Coliforms are commonly used as an indicator of drinking water quality. As we discussed, in March and April of 1993 there was a major outbreak of gastrointestinal illness in Milwaukee, Wisconsin caused by contamination in the public drinking water supply. As summarized by MacKenzie et al.1, “throughout the period from February to April 1993, samples of treated water from both (water treatment) plants were negative for coliforms and were within the limits set by the Wisconsin Department of Natural Resources for water quality.” Why, in this case, did coliforms remain at acceptable levels despite water contamination that resulted in over 400,000 cases of gastrointestinal illness?
Chapter 27 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 27 - A blogger stated that germs (microorganisms) are...Ch. 27 - Compare human, animal, and plant pathogens that...Ch. 27 - In the environment, nutrients are generally...Ch. 27 - Most chemical elements exist in the environment as...Ch. 27 - In the carbon cycle, microbes convert _______. a....Ch. 27 - In aquatic environments, most microbial life is...Ch. 27 - Of the following characteristics, which would...Ch. 27 - Anammox reactions are _______. a. anaerobic and...Ch. 27 - __ Biofilms of microorganisms form in aquatic...Ch. 27 - __ Cooperation is common among microorganisms...
Ch. 27 - ______ Aquatic microorganisms are more prevalent...Ch. 27 - _______ Abyssal organisms are found near shores of...Ch. 27 - Leaching of compounds from mine tailings often...Ch. 27 - Biogeochemical cycling involves three primary...Ch. 27 - Nitrogen exists primarily as ______ in the...Ch. 27 - Label the general phases in the carbon cycle.Ch. 27 - Prob. 1CTCh. 27 - Prob. 2CT
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- Match the descriptions with the correct type of water pollution. Group of answer choices run-off from mines [ Choose ] plant nutrients organic chemicals oxygen-demanding wastes inorganic chemicals thermal sediments infectious diseases heavy metals nitrates and phosphates [ Choose ] plant nutrients organic chemicals oxygen-demanding wastes inorganic chemicals thermal sediments infectious diseases heavy metals bacteria and viruses [ Choose ] plant nutrients organic chemicals oxygen-demanding wastes inorganic chemicals thermal sediments infectious diseases heavy metals cooling machines of nuclear power plants […arrow_forwardLeachate production is whatarrow_forwardWhich of these describes a possible solution to protect South Carolina residents from the effects of harmful algal blooms? A) plans and supplies to prepare for emergency evacuations B) warnings to switch to store bottled water instead of tap water C) laws prohibiting the building of new development close to shores D) advisories concerning which fish and other seafood to avoid eatingarrow_forward
- Sewage works use microbes in many ways to break down organic matter. Which of the following processes is NOT carried out? Pathogenic bacteria and viruses are added to the input sewage as a tracer and to ensure the processes have all worked well Bacteria and archaea are used in sludge digesters to breakdown organic matter anaerobically Bacterial trickle filter beds have a wide variety of microbes to break down organic matter Activated sludge selects for Gram negative bacteria that break down wastearrow_forwardWhat is water contamination and it sourcesarrow_forwardMicrobes which feed on dead organic material are classified as: pathogens parasites saprophytes autotrophsarrow_forward
- Every year, supposedly safe municipal water supplies cause outbreaks of enteric illness.Using the Wisconsin outbreak example from the 1990s, explain how pathogens can slip through water analysis and treatment processes undetected and untreated.arrow_forwardThe following is not an indication of a very low BOD except? A The water is healthy thus, water quality is high. B) Contamination is present. c) The available microorganisms are uninterested in consuming the available organics. The available microorganisms are dead or dying.arrow_forwardBiofilms are a community of microorganisms that can colonize surfaces and are located in a wide variety of places. Provide some information regarding biofilms that you read about in your textbook, on the internet (use a valid resource site), or any other source that you found related to biofilms in general. This can include characteristics, types of organisms that may be present, locations, what type of outcome they can lead to, etc. This particular topic has a lot of information overall, so write about something you fınd interesting!arrow_forward
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