Microbiology 250 - Study guides, Class notes & Summaries

brom cresol purple indicator in MIO media that tests for decarboxylation of ornithine positive result is a lavender-purple color A hydrogen peroxide H2O2 used to test for organism's possession of catalase copious amounts of bubbles are evidence for release of O2 as peroxide is broken down 2H2O2 + O2 iodine indicates the presence or absence of starch agar solidifying agent purified from marine algae colonial morphology size, color, shape, elevation, consistency, ...

BIO 250 | Microbiology Final Exam Questions and Answers (Graded A+ 2023) Straighterline. An irregular cluster of spherical cells would be called a/an a. Palisades b. Sarcina c. Staphylococcus d. Streptococcus e. Spirilla 2. The study of the immune response to infection caused by microorganisms is a. Hypersensitivity b. Epidemiology c. Immunology d. Morbidity e. Geomicrobiology 3. What is the maximum number of electrons in the first energy shell of an atom? a. 2 b. 4 c. 8 d. 18 e...

Straighterline Microbiology 250 final Exam 2024 Questions and Answers.

Microbiology 250 Final Exam Study Guide with Complete Solutions

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Microbiology 250 Final Exam 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)

Microbiology 250 Final Exam Questions with Correct Answers 100% Verified Malaria is transmitted by - Correct Answers anopheles mosquito's A vaccine: - Correct Answers completes the afferent branch of the immune response the sexually transmitted disease agent is: - Correct Answers herpes simplex type II tinea pedis (athlete's foot) can be caused by - Correct Answers a and b/ trichophyton species and epidermophyton species delayed type hypersensitivity T cells are - Correct Answers ...

1-What microbial process was responsible for changing Earth’s atmosphere from one without oxygen to one with oxygen? Select one: a. anaerobic respiration b. decomposition c. oxygenic photosynthesis d. temperature regulation 2-In the nitrogen cycle, which of the following phases involves the release of nitrogen as into the Earth’s atmosphere? Select one: a. ammonification b. denitrification c. nitrification d. nitrogen fixation 3-Farmers commonly inoculate legume crops with Rhi...

The sum total of all the microbes in a certain environment is termed the______ Select one: a. biofilm b. microbial niche c. microbiome d. phylogeny e. domain: Microbiome 2. Studies of the immune response to an infection caused by microorganisms would be performed by a/an _______. Select one: a. hypersensitivity specialist b. geomicrobiologist c. epidemiologist d. immunologist: Immunologist 3. Which of the following is NOT a recent discovery that has had a huge impact on the under...

Which of the following is true about disinfection? A)Bacterial endospores may not be killed on an object B)Fungal spores may not be killed on an object C)Disinfection reduces the number of pathogenic organisms on or in an object D)Disinfection helps reduce the threat of disease E)All of these choices - -E)All of these choices What is the difference between a disinfectant and an antiseptic? A)Disinfectants are typically applied to living tissue and antiseptics are typically applied ...