LOOSE LEAF TEXT W/ MODIFIED MAST MICRO
5th Edition
ISBN: 9780134561837
Author: BAUMAN
Publisher: PEARSON
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Chapter 6, Problem 3CT
Summary Introduction
To answer:
The difference between dry weights of the culture, when “two cultures of a facultative anaerobe are grown under identical conditions”.
Introduction:
A “facultative aerobe” is an organism that makes
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Chapter 6 Solutions
LOOSE LEAF TEXT W/ MODIFIED MAST MICRO
Ch. 6 - Prob. 1MCCh. 6 - In the laboratory, a sterile inoculating loop is...Ch. 6 - Superoxide dismutase _____________. a. causes...Ch. 6 - The most reactive of the four toxic forms of...Ch. 6 - Microaerophiles that grow best with a high...Ch. 6 - Prob. 6MCCh. 6 - Organisms that preferentially may thrive in icy...Ch. 6 - Prob. 8MCCh. 6 - Prob. 9MCCh. 6 - In a defined medium, ______________. a. the exact...
Ch. 6 - Prob. 11MCCh. 6 - Prob. 12MCCh. 6 - Prob. 13MCCh. 6 - Lyophilization can be described as ___________. a....Ch. 6 - Prob. 15MCCh. 6 - Prob. 1FIBCh. 6 - Prob. 2FIBCh. 6 - Prob. 3FIBCh. 6 - Prob. 4FIBCh. 6 - Prob. 5FIBCh. 6 - Prob. 6FIBCh. 6 - Prob. 7FIBCh. 6 - Prob. 8FIBCh. 6 - Prob. 9FIBCh. 6 - Prob. 10FIBCh. 6 - Prob. 11FIBCh. 6 - Prob. 1VICh. 6 - Prob. 2VICh. 6 - High temperature affects the shape of particular...Ch. 6 - Support or refute the following statement:...Ch. 6 - Prob. 3SACh. 6 - Why must media, vessels, and instruments be...Ch. 6 - Prob. 5SACh. 6 - Prob. 6SACh. 6 - Draw and label the four distinct phases of a...Ch. 6 - Prob. 8SACh. 6 - Prob. 9SACh. 6 - Prob. 10SACh. 6 - Explain the differences among photoautotrophs,...Ch. 6 - Prob. 12SACh. 6 - How does a chemostat maintain a constant...Ch. 6 - A scientist describes an organism as a...Ch. 6 - Pasteurization is a technique that uses...Ch. 6 - Prob. 3CTCh. 6 - Some organisms require riboflavin (vitamin B2) to...Ch. 6 - A scientist inoculates a bacterium into a complex...Ch. 6 - How can regions within biofilms differ in their...Ch. 6 - A scientific article describes a bacterium as an...Ch. 6 - Prob. 8CTCh. 6 - Prob. 9CTCh. 6 - Starting with 10 bacterial cells per milliliter in...Ch. 6 - Prob. 11CTCh. 6 - Prob. 12CTCh. 6 - The filamentous bacterium Beggiatoa gets its...Ch. 6 - Prob. 14CTCh. 6 - Examine the graph in Figure 6.3. Note that the...Ch. 6 - Prob. 16CTCh. 6 - Using the terms in Figure 6.8a, describe the...Ch. 6 - Prob. 18CTCh. 6 - Examine the ingredients of MacConkey agar as...Ch. 6 - Prob. 20CTCh. 6 - Using as many of the following terms as...Ch. 6 - Prob. 22CTCh. 6 - Viable plate counts are used to estimate...Ch. 6 - Using the following terms, fill in the following...Ch. 6 - Prob. 1TMWCh. 6 - Why do clinical laboratory scientists keep many...Ch. 6 - Prob. 3TMWCh. 6 - Culturing Microorganisms One of Kochs postulates...Ch. 6 - Clinical Case Study Boils in the Locker Room For...
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- If a broth culture of bacteria, initially containing 37,000 bacteria/ml, were diluted to a 1:1,000 dilution, how many bacteria/ml of the diluted broth would be present on average? Show your solutionsarrow_forwardIf two cultures of a facultative anaerobe were grown under identical conditions except that one was exposed to oxygen and the other was completely deprived of oxygen, what differences would you expect to see between the two cultures? (What metabolic pathway would be occurring in each? Why?)arrow_forwardWhen is sterilization by filtration preferred over sterilization by heat? Why? What makes heat an effective sterilizing agent? Why are the conditions required for sterilization greater for dry heat (160-180°C for 1-2hrs) than for steam (121°C for 15min)?arrow_forward
- Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Why are petri dishes incubated in an inverted position? Of what advantage is the using a solid and a liquid medium?arrow_forwardHow would a facultative anaerobe growth curve change if it was placed in the presence of oxygen environment? If the organism were to be placed in an anaerobic environment during log phase, how would the growth curve look?arrow_forwardOf what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?arrow_forward
- You have discovered a new microorganism that oxidizes ammonia. How will you determine if this microbe is a thaumarchaeote or a bacterium?arrow_forwardOf what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?arrow_forwardA bacterial organism is catalase positive and cytochrome oxidase positive. This could suggest that the organism is an obligate aerobe. True or false?arrow_forward
- Aside from Paraffin, what is your recommended infiltrating medium for routine purposes? why?arrow_forwardName at least one reason that we might want to use a Winogradsky column rather than a laboratory medium such as nutrient agar or beef heart agar. Describe why metabolism in the presence of oxygen might cause problems for microorganisms.arrow_forwardE. coli, a facultative anaerobe, is grown for 24 hours on the same type of solid medium, but under two different conditions: one aerobic, the other anaerobic. The size of the colonies would bea) the same under both conditions.b) larger when grown under aerobic conditions.c) larger when grown under anaerobic conditions.arrow_forward
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