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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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TOC.tableOfContents
- 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
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Bauman 6th EditionCh. 11 - Characterizing and Classifying ProkaryotesProblema 3
Bauman 6th EditionCh. 11 - Characterizing and Classifying ProkaryotesProblema 3Capitolo 11, Problema 3
Which of the following terms best describes stiff, spiral-shaped prokaryotic cells?
a. Cocci
b. Bacilli
c. Spirilla
d. Spirochetes
Guida verificata passo dopo passo1
Step 1: Understand the shape terminology for prokaryotic cells. 'Cocci' refers to spherical-shaped bacteria, 'Bacilli' refers to rod-shaped bacteria, 'Spirilla' refers to rigid spiral-shaped bacteria, and 'Spirochetes' refers to flexible spiral-shaped bacteria.
Step 2: Identify the key descriptor in the question: 'stiff, spiral-shaped prokaryotic cells.' This indicates the cells have a spiral shape and are rigid rather than flexible.
Step 3: Compare the options with the description: Cocci (spherical) and Bacilli (rod-shaped) do not match the spiral shape, so they can be excluded.
Step 4: Between 'Spirilla' and 'Spirochetes,' note that Spirilla are known to be rigid or stiff spiral-shaped bacteria, while Spirochetes are more flexible and have a unique corkscrew motion.
Step 5: Conclude that the term best describing stiff, spiral-shaped prokaryotic cells is 'Spirilla.'
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Prokaryotic Cell Shapes
Prokaryotic cells have distinct shapes that help in their identification. Common shapes include cocci (spherical), bacilli (rod-shaped), and spiral forms. Understanding these shapes is fundamental to classifying bacteria and predicting their behavior.
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Prokaryotic & Eukaryotic Cells
Spiral-Shaped Bacteria Types
Spiral-shaped bacteria are categorized mainly into spirilla and spirochetes. Spirilla are rigid, spiral-shaped bacteria with external flagella, while spirochetes are flexible and have internal flagella, allowing different modes of movement.
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02:22Spiral-shaped Bacterial Cells
Terminology for Bacterial Morphology
Accurate terminology is essential in microbiology to describe bacterial morphology. Terms like cocci, bacilli, spirilla, and spirochetes specify shape and structural features, aiding in identification and understanding of bacterial physiology.
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02:44Types of Bacterial Cell Morphology
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