Textbook Question
Label each of these thioglycolate tubes to indicate the oxygen requirements of the microbes growing in them.
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Ch. 6 - Microbial Nutrition and Growth
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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Table of contents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Not the one you use?Change textbook
Chapter 6, Problem 1
High temperature affects the shape of particular molecules. How does this affect the life of a microbe?
Verified step by step guidance1
Understand that high temperature can cause denaturation of proteins and other macromolecules in microbes. Denaturation means the loss of the molecule's natural three-dimensional structure.
Recognize that the shape of proteins is critical for their function, including enzymes that catalyze essential biochemical reactions in the microbe.
Explain that when proteins denature due to heat, their active sites are altered or destroyed, leading to loss of enzymatic activity and disruption of metabolic processes.
Consider that damage to structural molecules like membranes and nucleic acids can also occur, further impairing cell integrity and function.
Conclude that these molecular changes caused by high temperature can inhibit growth, reproduction, and ultimately lead to the death of the microbe.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Protein Denaturation
High temperatures can cause proteins to lose their three-dimensional structure, a process called denaturation. This structural change disrupts protein function, which is critical for enzymes and cellular processes in microbes, potentially leading to cell death.
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Denatured Proteins & Chaperones
Enzyme Activity and Stability
Enzymes are proteins that catalyze biochemical reactions essential for microbial metabolism. Elevated temperatures can reduce enzyme stability and activity by altering their shape, impairing metabolic pathways and affecting microbial growth and survival.
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04:18Enzyme Activation Energy
Membrane Fluidity and Integrity
High temperatures can increase membrane fluidity, disrupting the integrity and function of microbial cell membranes. This affects nutrient transport, energy production, and overall cell viability, influencing the microbe's ability to maintain homeostasis.
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03:23Types of Membrane Proteins
Related Practice
Textbook Question
All cells require a source of ___________ for redox reactions.
Textbook Question
A toxic form of oxygen,___________ oxygen, is molecular oxygen with electrons that have been boosted to a higher energy state.
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Textbook Question
Support or refute the following statement: Microbes cannot tolerate the low pH of the human stomach.
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Textbook Question
“In the laboratory, a sterile inoculating loop is moved across the agar surface in a culture dish, thinning a sample and isolating individuals.” This statement describes which of the following?
a. Broth culture
b. Pour plate
c. Streak plate
d. Dilution plate
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