Domanda del libro di testo
High temperature affects the shape of particular molecules. How does this affect the life of a microbe?
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Ch. 6 - Microbial Nutrition and Growth
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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Capitolo 6, Problema 2
“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
Guida verificata passo dopo passo1
Step 1: Understand the context of the problem, which involves using a sterile inoculating loop to spread microorganisms on an agar surface in a culture dish.
Step 2: Recall the definitions of the options: a broth culture is a liquid medium, a pour plate involves mixing bacteria with molten agar before solidifying, a streak plate involves spreading bacteria on the surface of agar to isolate individual colonies, and a dilution plate involves serial dilutions before plating.
Step 3: Identify that the process described involves moving the loop across the agar surface to thin out the sample and isolate individual colonies, which matches the streak plate technique.
Step 4: Confirm that the streak plate method is specifically designed to separate individual bacterial cells on the agar surface to obtain isolated colonies.
Step 5: Conclude that the correct description corresponds to option c, the streak plate method.
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Streak Plate Technique
The streak plate method is a microbiological technique used to isolate individual bacterial colonies by spreading a sample over the surface of an agar plate with a sterile loop. This thins out the sample, allowing single cells to grow into separate colonies for identification.
Video consigliato:
05:16
Streak-Plate Method
Agar Culture Media
Agar is a gelatinous substance derived from seaweed used as a solid culture medium in petri dishes. It provides a surface for microbial growth and allows for the physical separation of colonies during techniques like streak plating.
Video consigliato:
03:16Types of Solid Culture Media
Colony Isolation
Colony isolation is the process of separating individual microbial cells on a solid medium so that they grow into distinct colonies. This is essential for obtaining pure cultures and studying specific microorganisms without contamination.
Video consigliato:
05:16Streak-Plate Method
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