Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7.4, Problem 3.3RIA
Define psychrophile, psychrotolerant, mesophile, thermophile, and hyperthermophile.
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Chapter 7 Solutions
Prescott's Microbiology
Ch. 7.1 - MICRO INQUIRY In addition to chromosomes, what...Ch. 7.2 - MICRO INQUIRY Why is it important that the origin...Ch. 7.2 - MICRO INQUIRY What would be the outcome if FtsZ...Ch. 7.2 - MICRO INQUIRY Which step in the development of...Ch. 7.2 - Retrieve, Infer, Apply 1. Describe the three...Ch. 7.2 - Retrieve, Infer, Apply 2. How does the bacterial...Ch. 7.2 - Retrieve, Infer, Apply 3. Do you think MinCDE...Ch. 7.2 - Retrieve, Infer, Apply 4. Do you think Spiroplasma...Ch. 7.3 - What elements of the Sulfolobus spp. cell cycle...Ch. 7.3 - Many archaea have genes encoding an FtsZ...
Ch. 7.4 - What is the difference between halophilic and...Ch. 7.4 - Why do facultative anaerobes grow best at the...Ch. 7.4 - Retrieve, Infer, Apply 1. How do microorganisms...Ch. 7.4 - Retrieve, Infer, Apply 2. Define water activity...Ch. 7.4 - What are halophiles and why do Halobacterium spp....Ch. 7.4 - Retrieve, Infer, Apply 1. Define pH, acidophile,...Ch. 7.4 - Retrieve, Infer, Apply Classify each of the...Ch. 7.4 - Retrieve, Infer, Apply 3. Describe the mechanisms...Ch. 7.4 - Retrieve, Infer, Apply 1. What are cardinal...Ch. 7.4 - Prob. 3.2RIACh. 7.4 - Define psychrophile, psychrotolerant, mesophile,...Ch. 7.4 - Retrieve, Infer, Apply What metabolic and...Ch. 7.4 - Retrieve, Infer, Apply Describe the five types of...Ch. 7.4 - Retrieve, Infer, Apply What are the toxic effects...Ch. 7.4 - Retrieve, Infer, Apply Where would you expect to...Ch. 7.4 - Retrieve, Infer, Apply List the types of...Ch. 7.4 - Prob. 5.3RIACh. 7.4 - Prob. 5.4RIACh. 7.5 - MICRO INQUIRY What biomolecules make up the...Ch. 7.5 - Prob. 1RIACh. 7.5 - Prob. 2RIACh. 7.5 - Retrieve, Infer, Apply What is quorum sensing?...Ch. 7.5 - Retrieve, Infer, Apply How is the communication...Ch. 7.6 - Prob. 1RIACh. 7.6 - What are peptones, yeast extract, beef extract,...Ch. 7.6 - Retrieve, Infer, Apply Describe four ways in which...Ch. 7.6 - What are pure cultures and why are they important?...Ch. 7.6 - Retrieve, Infer, Apply It is known that microbial...Ch. 7.6 - Retrieve, Infer, Apply How might an enrichment...Ch. 7.7 - MICRO INQUIRY Identify the regions of the growth...Ch. 7.7 - Retrieve, Infer, Apply Define microbial growth.Ch. 7.7 - Retrieve, Infer, Apply Describe the phases of the...Ch. 7.7 - Why would cells that are vigorously growing when...Ch. 7.7 - Retrieve, Infer, Apply Contrast and compare the...Ch. 7.7 - Calculate the growth rate constant and generation...Ch. 7.7 - Suppose the generation time of a bacterium is 90...Ch. 7.8 - Why is it important to have no more than about 250...Ch. 7.8 - Briefly describe each technique by which microbial...Ch. 7.8 - Prob. 2RIACh. 7.8 - Prob. 3RIACh. 7.8 - For each of the following, which enumeration...Ch. 7.9 - Prob. 1MICh. 7.9 - Prob. 1RIACh. 7.9 - Prob. 2RIACh. 7.9 - Prob. 3RIACh. 7 - As an alternative to diffusible signals, suggest...Ch. 7 - If you wished to obtain a pure culture of bacteria...Ch. 7 - Design an experiment to determine if a...Ch. 7 - Suggest one specific mechanism underlying the...Ch. 7 - Consider cell-cell communication: bacteria that...Ch. 7 - Suppose you discovered a new bacterial strain from...Ch. 7 - Because many persistent bacterial infections...
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- Organısms that grow at temperatures in excess of 100 C are known as A) O thermophiles ) O extreme halophiles C) O psychrophiles D) O hyperpsychrophiles E) O hyperthermophiles.arrow_forwardAn obligate halophile is an organism that requires high osmotic pressure.True or false?arrow_forwardMicrobes that can survive and thrive in extreme environments are called extremophiles. In this context, what term is the most accurate to describe the microbes that can grow in salty wastewater? Acidophiles Psychrophiles Thermophiles O Halophilesarrow_forward
- A hyperthermophile most likely has: a) cryoprotectants b) low void volume proteins c) unsaturated fatty acids d) isoprenoid lipidsarrow_forwardPlace appropriate points on the axes and draw and label separategraphs that fit a psychrotroph and an obligate thermophile.arrow_forwardFill in the names of the microorganisms that like to live in according to the temperature (Give a graph showing the growth level of each microorganism according to the temperature and fill in each name) (Ex. mesophile, psychrophile, etc.) Fill in the names of the microorganisms that like to live in according to the temperature (Give a graph showing the growth level of each microorganism according to the temperature and fill in each name) (Ex. mesophile, psychrophile, etcarrow_forward
- Microorganisms that require carbon dioxide for growth are called: * A)Psychrophiles B)Capnophiles C)halophiles D)Mesophilesarrow_forwardWhich type of organism (obligate anaerobe, microaerophile, facultative anaerobe, aerotolerant anaerobe) would most likely be affected negatively by the use of old media? Which type of organism (obligate anaerobe, microaerophile, facultative anaerobe, aerotolerant anaerobe) would most likely be affected positively by the use of old media? Which type of organism (obligate anaerobe, microaerophile, facultative anaerobe, aerotolerant anaerobe) would be least affected by old media?arrow_forward1(a)What is a psychrotroph? (b)From what natural sources would you isolate a thermophile? A psychrophile? (C)How does temperature affect the growth of a microorganism? (D)State the temperature class for Escherichia coli, Bacillus sp, Aeromonas sp, Micrococcus luteus, and suggest their optimum growth temperature. 2 (a)Why is dilution important when determining microbe number? (B)How does a decrease in dye colour intensity affect the microbe ? (C)State the possible sources of error if plate counts and colour intensity of dilutions are incorrect or Precautions taken to prevent this from happening. ( this is not a graded assignment)arrow_forward
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