Domanda del libro di testo
If there are 47 cells in 1 μl of sewage, how many cells are there in a liter?
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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 8
___________ pigments protect many phototrophic organisms from photochemically produced singlet oxygen.
Guida verificata passo dopo passo1
Identify the type of pigments involved in protecting phototrophic organisms from oxidative damage caused by singlet oxygen, a reactive oxygen species generated during photosynthesis under high light conditions.
Recall that carotenoids are a class of pigments known for their photoprotective role, as they can quench singlet oxygen and dissipate excess energy safely.
Understand that these pigments absorb excess light energy and prevent the formation of harmful reactive oxygen species, thereby protecting cellular components.
Recognize that carotenoids are commonly found in phototrophic organisms such as plants, algae, and photosynthetic bacteria, contributing to their survival under intense light exposure.
Conclude that the blank in the sentence should be filled with 'Carotenoid' to correctly identify the pigments responsible for this protective function.
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Phototrophic Organisms
Phototrophic organisms are those that obtain energy from light through photosynthesis. They include plants, algae, and certain bacteria, which use pigments to capture light energy and convert it into chemical energy.
Video consigliato:
07:37
Prototrophs vs. Auxotrophs
Singlet Oxygen
Singlet oxygen is a highly reactive form of oxygen produced during photochemical reactions. It can damage cellular components like lipids, proteins, and DNA, posing a threat to cells exposed to intense light.
Video consigliato:
04:43Reactive Oxygen Species
Carotenoid Pigments
Carotenoids are pigments found in phototrophic organisms that protect cells by quenching singlet oxygen and other reactive oxygen species. They prevent oxidative damage by dissipating excess energy safely.
Video consigliato:
05:58Pigments of Photosynthesis
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