Anaerobic microorganisms - Study guides, Class notes & Summaries

MLPAO Exam Set, Over 1000 Questions And Answers. Updated 2023/2024| Complete Verified Solution100% A patient being tested for fecal occult blood should not eat foods containing: No red meat and & excess vitamin C. Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine -gentian-violet Safranin Most fixatives act by: - precipitating calcium ions in cells - precipitating cell wall - precipitating carbohydrates in c...

Chlorine and iodine are classified as - halogens Obligate aerobes can only live - when oxygen is present Microorganism found thriving in a the permafrost region of the Arctic are - pychrophiles Facultative halophiles - tolerate an elevated salt concentration in the environment Most bacteria prefer to grow at which pH range? - Most bacteria prefer to grow at which pH range? The spectrophotometer is used in microbiology to - indirectly measure microbial growth Pyrimidine dimers are formed i...

Final Exam: PRN 1381/ PRN1381(Latest 2023/2024 Update) Principles of Pharmacology Exam | Graded A Questions and Verified Answers | Rasmussen Q What is the main element in the stomach that protects the body from invasion of microorganisms? A. The acidic environment, a low ph B. The alkaline environment, a high ph C. Not eating too much protein D. Taking probiotics  Answer: A. The acidic environment, a low ph Q An antibiotics action that causes bacterial cell death is cal...

BIO 250 Final Exam (Microbiology) | 60 Questions With 100% Correct Answers | Latest Update | Graded A+. 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 In the nitrogen cycle, which of the following phases involves the release of nitrogen as into the Earth’s atmosphere? Select one: a. ammonication b. denitrica...

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...

an organism that can use CO2or CO3- (i.e., inorganic C) as a C source, and obtain energy from the sun (photo) - or from the oxidation of inorganic elements or compounds such as iron, sulfur, hydrogen, ammonium, and nitrites (chemo)? correct answer: Autotroph such as plants, algae, cyanobacteria, etc. an organism that can only get carbon and energy from organic compounds? correct answer: Heterotroph such as bacteria, fungi, protozoa, etc. an organism that grows only in the presence of mol...

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...

Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Objective: 01.05 The evolutionary relatedness of organisms is best reflected in phylogenetic trees. Learning Outcome: 01.02a Propose a timeline of the ori...

MICROBIOLOGY EXAM 1 MCGRAW HILL QUESTIONS WITH COMPLETE SOLUTIONS 100% Antoonie van Leeuwenhoekfungi - correct answer Select the individual below that was a Dutch linen merchant who ground glass lenses to ever finer specifications so that he was able to develop a microscope for observing and describing living microscopic animalcules. Biotechnology - correct answer The term used to describe the broad field of science that employs the human manipulation of microbes for use in industrial proc...

BIOD 171 Portage Learning Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 UpdatePortage Learning BIOD 171 Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 Update True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 1. What is the smallest biological unit of life? A cell. ...