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Exam (elaborations)

NDSU microbiology 350 exam 3 Questions and Correct Answers the Latest Update
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November 2024

2024/2025

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16S rRNA Ribosomal RNA used to identify microorganisms 18S rRNA Ribosomal RNA used for studying evolutionary relationships in eukaryotes Banded Iron Formation Sedimentary rock with iron-rich layers, provides clues about Earth's history Black Queen Theory Organisms rely on helper species to reduce metabolic costs Endosymbiosis Theory of organelles originating from prokaryotic cells in a symbiotic relationship Evolutionary Selection Process of advantageous traits being favored ...
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NDSU Microbiology 202 Exam 2 - Gustad Questions and Correct Answers the Latest Update
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November 2024

2024/2025

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sterilization elimination of all microbial life (including endospores) methods moist heat (autoclave:15psi, 121oC, 15m) dry heat (170oC, 2hr) radiation filtration (0.2m) gas pasteurization moderate heat, eliminates pathogens and reduces #'s Radiation Ionizing and Nonionizing ionizing radiation gamma rays, X-rays, electron beams: lethality due to generation of free radicals which damage DNA TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost...
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NDSU Microbiology 202 Exam 2 Questions and Correct Answers the Latest Update
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21

November 2024

2024/2025

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Competent bacteria taking up (scavenging) segments of free-floating DNA from their environment. Transformation Step one of gene expression in transcription, step two of gene expression is ___________________. Translation The transfer of plasmids, from one bacterium to another via a sex pilus. Conjugation Term used to describe bacteriophage transferring genetic material from one bacteria to another. Transduction Type of genetic transfer requiring direct contact between bacterial...
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Microbiology lab final NDSU Questions and Correct Answers the Latest Update
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November 2024

2024/2025

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Primary stain crystal violet- purple dye What is the purpose of IMViC testing? To distinguish between fecal and non fecal coliforms? Selective media grow specific microorganisms and withhold others What are non-iodizing radiation visible light and ultraviolet light ultraviolet radiation damages bacteria by introducing.... thymine dimers Growth media essential nutrients needed to grow microbes in lab From exercise 11, where we inoculated glucose broth tubes (containing bromcreso...
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NDSU microbiology final Questions and Correct Answers the Latest Update
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November 2024

2024/2025

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bacteria largest group of microorganisms binary fission bacterial method of cell division yeasts one of the main groups of microbes which make up the fungi archaea prokaryotic microbes lacking peptidoglycan in their cell walls mycelia visible mold growth sometimes seen on breads and fruits pasteurization process using just enough heat to kill spoilage and pathogenic microbes in milk and alcoholic beverages Lister TestTrackers: Unlock Your Exam Potential! | Quality Practice M...
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