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Ch. 11 - The Prokaryotes: Domains Bacteria and Archaea
Tortora - Microbiology: An Introduction 14th Edition
Tortora14th EditionMicrobiology: An IntroductionISBN: 9780138200398Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoTortora 14th EditionCh. 11 - The Prokaryotes: Domains Bacteria and ArchaeaProblema 3
Capitolo 7, Problema 3

Pathogenic bacteria can be
a. motile.
b. rods.
c. cocci.
d. anaerobic.
e. all of the above.

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1
Understand the question is asking about characteristics that pathogenic bacteria can have.
Recall that 'motile' means capable of movement, which some pathogenic bacteria are, using structures like flagella.
Recognize that 'rods' (bacilli) and 'cocci' (spherical bacteria) are common bacterial shapes, and pathogenic bacteria can have either shape.
Know that 'anaerobic' bacteria can survive or grow without oxygen, and some pathogenic bacteria are anaerobic.
Conclude that since pathogenic bacteria can be motile, rods, cocci, and anaerobic, the correct answer includes all these options.

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Bacterial Morphology

Bacteria exhibit various shapes, primarily rods (bacilli) and spheres (cocci). These shapes help in identification and classification of bacteria, including pathogenic types that cause diseases.
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Types of Bacterial Cell Morphology

Bacterial Motility

Some bacteria are motile, meaning they can move using structures like flagella. Motility aids in colonization and infection processes, allowing pathogens to reach favorable environments within the host.
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Bacterial Transformation

Oxygen Requirements of Bacteria

Bacteria can be aerobic (requiring oxygen) or anaerobic (thriving without oxygen). Pathogenic bacteria include anaerobes that survive in oxygen-poor tissues, influencing infection sites and treatment strategies.
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Oxygen Requirements for Microbial Growth
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