Anaerobic microorganisms Study guides, Class notes & Summaries

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...

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...

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...

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...

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...

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. ...

Learn2Serve Food Manager Certification Exam Questions and Answers - Latest Update | 100% Verified. foodborne intoxication an illness caused by toxins that an organism has produced in a food; toxins may also be produced by chemicals, heavy metals, or other substances -most common are staph and clostridium three main areas of food safety and sanitation -time and temp -heat and cold -handwashing/ware-washing(plates and etc) poultry cooked to and internal temp of 165 for 15 seconds ground...

Esthetics State Boards IL Latest 2023 100% Verified ESTHETICIAN Specialist in the cleansing, beautification and preservation of the health of skin on the entire body. DISINFECTANTS Chemical products that destroy all bacteria fungi and viruses INFECTION Invasion of body tissues by disease causing pathogens. FOUR TYPES OF POTENTIALLY HARMFUL ORGANISMS Bacteria, Fungi, Parasites, Virus Virus Can live and reproduce only by taking over other cells and becoming part of them. Cannot be treated with...

Anabolism is: a. all of the biochemical reactions taking place in an organism b. all of the energy releasing biochemical reactions in an organism c. all of the biochemical reactions in an organism that use cellular energy d. the maintenance pH at the neutral level preferred by most microorganisms Correct Answer-c. all of the biochemical reactions in an organism that use cellular energy A bacterium that uses glucose as an energy source has been isolated from an anaerobic environment. Afte...