Textbook Question
Name three groups of low G + C Gram-positive bacteria.
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Ch. 11 - Characterizing and Classifying Prokaryotes
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 11, Problem 4
Endospores ___________ .
a. remain alive for decades
b. can remain alive in boiling water
c. exist in a state of suspended animation
d. All of the above are correct.
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Understand what endospores are: Endospores are highly resistant structures formed by certain bacteria to survive extreme environmental conditions.
Analyze option (a): Endospores can remain viable for very long periods, often decades, due to their resistant nature.
Analyze option (b): Endospores can survive harsh conditions such as boiling water, which normally kills vegetative cells.
Analyze option (c): Endospores exist in a dormant or suspended animation state, meaning their metabolic activities are nearly halted until favorable conditions return.
Since all the statements (a), (b), and (c) are true characteristics of endospores, the correct answer is that all of the above are correct.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Endospore Longevity
Endospores are highly durable structures formed by certain bacteria that can survive extreme conditions for decades or even centuries. Their tough outer layers protect the genetic material, allowing them to remain viable over long periods without nutrients.
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Endospores
Resistance to Extreme Conditions
Endospores can withstand harsh environments, including boiling water, radiation, and chemical disinfectants. This resistance is due to their thick protective coats and low metabolic activity, making them difficult to destroy by standard sterilization methods.
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Suspended Animation State
Endospores exist in a dormant state called suspended animation, where metabolic processes are nearly halted. This allows them to survive unfavorable conditions until they encounter a suitable environment to germinate and return to active bacterial growth.
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Related Practice
Textbook Question
Name and describe three types of bacteria mentioned in this chapter that “glide.”
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Textbook Question
Compare and contrast bacterial and archaeal cells.
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Textbook Question
Which of the following terms best describes stiff, spiral-shaped prokaryotic cells?
a. Cocci
b. Bacilli
c. Spirilla
d. Spirochetes
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Textbook Question
For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.
__________ Chlamydias have peptidoglycan cell walls.
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Textbook Question
For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.
__________ If you were to view staphylococci, you should expect to see clusters of cells.
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