Pure culture Study guides, Class notes & Summaries

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In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - ANSWERSNitrogen Fixation If enough H+ ions are added to pure water to raise the H+ concentration of the solution to ten times higher than the original concentration, what is the resulting OH- concentration of the solution? - ANSWERS10-8 M Fungi are able to reproduce asexually by creating conidiospores and sporangiospores. Which of the following is an accurate explanation for ...

Cotton plugs or screw caps are used in test tubes containing sterile media or pure cultures to... - -prevent unfiltered air or dust particles from entering the tubes -maintain anaerobic conditions -and prevent culture from spilling *all of the above* If the pH of the medium is higher than 7.0, you can adjust to 7.0 by: - adding drops of HCL to *lower* it or NaOH to *raise* it The pH indicator in Simmons Citrate agar is what? - Bromothymol blue bacteria that show no preference, grow equal...

BIOS 242 Week 1 Lab 2 Isolation of Pure Cultures

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BIO 250 Final Exam A pure culture A) is sterile. B) is a population of identical cells. C) is made of a precisely defined chemical medium. D) contains one microbial cell. - ANSWER b Microbial cells first evolved on Earth approximately ________ _______ years ago. A) 1.6 to 1.8 million B) 7.0 to 7.2 million C) 3.8 to 3.9 billion D) 10.5 to 11.5 billion E) None of the above - ANSWER ...

Final exam Straighter line microbiology 100% SOLUTION 2023//2024 In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - ANSWER Nitrogen Fixation If enough H+ ions are added to pure water to raise the H+ concentration of the solution to ten times higher than the original concentration, what is the resulting OHconcentration of the solution? - ANSWER 10-8 M Fungi are able to reproduce asexually by creating conidiospores and spo...

Lab2:TechniquesforIsolationofPureCultures LearningObjectives: • Isolatepureculturesfromamixedpopulationofmicroorganismsusingaseptictechnique. • Learnthestreakplatemethod Introduction: Inthislaboratoryexercise,coloniesfrommixturesofEscherichiacoliandSerratiamarcescenswillbeisolatedusingthefour-waystreakmethodassummarizedbelow(Figure1). We will need this image from Materials: A24hournutrientbrothmixtureofSerratiamarsecens(S.marsecens)andEscherichiacoli(E.coli),twonutrientagarpl...

BIOS 242 Week 1 Lab 2; Isolation of Pure Cultures

C464 WGU Questions and Answers 100% Pass linear model of communication one-way view of communication that assumes a message is sent by a source to a receiver through a channel Five phases of linear model of communication 1. Deciding on the message 2. Encoding the message 3. Transmitting the message 4. Perceiving the message 5. Decoding and assigning meaning to the message transactional model of communication the theory that views communication as a constant process in which all parties simulta...