Anaerobic media - Study guides, Class notes & Summaries

Metabolism 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 of pH at the neutral level preferred by most microorganisms Correct Answer-(a) all of the biochemical reactions taking place in an organism Pasteur's experiments with Swan Neck Flasks disproved which of the following theories on the origin of mi...

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins Tru...

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...

ASCP Review Microbiology questions correctly answered 2023Which of the following is the correct temperature at which an autoclave must be run? -37*C -121*C -25*C 121*C How long is an autoclave run? 15 mins How many lbs per square inch of pressure is necessary when using an autoclave? 15 lbs/sq in Which of the following is the correct depth and pH of a Mueller Hinton plate? -6mm and pH 7.2-7.4 -3mm and pH 6.5-6.8 -4mm and 7.2-7.4 4mm and pH 7.2-7.4 What i...

Bacteria shapes - Cocci, bacilli, vibrios (comma shaped), spirilla (spiral), pleiomorphic (various shapes) adherence molecules to stick to surfaces - - mediated by pili, fibers of pilin proteins possess other proteins on their tips for sticking - a sex pilus is used for conjugation - some microbes use an extension of the cell envelope tipped by a "holdfast" of paysaccharides 3 parts of flagella - - filament - hook protein - basal body active transport - - all microorganisms active tr...

Define the term Microbiology - The study of microorganisms and their relationships to the environment, humans and animals in disease Name the 5 classifications of microorganisms - Bacteria, Virus, Mycobacterium, Fungi, Parasites Blood agar is the most commonly used media in the clinical laboratory. What type of media is blood agar? - Enriched media, Differential media (detection of Beta-hemolytic organisms) List some agars that are generally used in stool cultures and what type...

bacteria What is 99% of the biomass of the microbiome composed of? a biofilm What do bacteria often exist in? FALSE; it is 99% bacteria, but there are also: - viruses - fungi - protozoa - archaea **complex dynamic community in BOTH health and disease (~1000 microorganisms, 700 species of bacteria) TRUE or FALSE: The oral microbiome is composed only of bacteria. in disease, you get an increase in the diversity of the bacteria What visual observation can be made about the differenc...

MLT Practice Exam |Latest Questions Solved 100% Correct What is the process used to decrease the number of microorganisms that are present on the skin? (Answer: - Antisepsis An organism that can live and grow in reduced concentrations of oxygen, but prefers an anaerobic environment is known as? (Answer: - Aerotolerant anaerobe The Stain that is commonly recommended for use to differentiate parasites such as Malaria in blood smears is? (Answer: - Giemsa stain What type of media contains...

MLT Microbiology Exam Questions with Correct Answers What organism is NOT OXIDASE POSITIVE? - Answer-Yersinia enterocolitica Which organisms are oxidase positive? - Answer-Aeromonas hydrophilia, Pseudomonas aeruginosa, Vibrio parahaemolyticus Rice water stools often contain a pure culture of what organism? - Answer-Vibrio cholerae What is the reagent used for the string test? - Answer-0.5% sodium deoxcholate What allows visibility of acid production by oxidizers in oxidation fermen...

Seeding of BOD samples is necessary when samples - (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 ...