Macconkey plate - Study guides, Class notes & Summaries

Expanding a given microbial population allows researchers to do what? to detect and assess the microorganism more easily What is Growth Media? Growth media is a liquid or solid formulated to support microbial growth. What does Growth Media contain? The media contains essential nutrients to provide the microbe with a source of carbon/energy. The nutrient composition often includes a rich source of sugars, amino acids and vitamins. What else can Growth Media also be called? Such media can al...

Which of the following may benefit from the identification of specific microorganisms? - Environmental bioremediation programs - Criminal investigations - Radiation treatment of produce and meats - Treatment of infectious disease -:- - Environmental bioremediation programs - Criminal investigations - Treatment of infectious disease _______________ identification methods examine the DNA sequence of an organism, whereas _______________ identification methods use antibody-antigen rea...

Bile Esculin Agar correct answers a selective and differential medium which is used to presumptively identify Enterococcus and group D Streptococcus based on the ability of an organism to hydrolyze esculin BEI Agar positive correct answers Black Precipitate forming around bacteria on plate BEI negative correct answers no precipitate Mannitol Salt Agar correct answers selective (sodium chloride) and differential (mannitol) Staphylococci thrive and grow on the agar S. Aureus ferments ma...

What is the best example of homeostasis? - Answer-Regulation of body temperature What is the concentration of physiological saline ? - Answer-0.85 % What is the most accurate pipette ? - Answer-Volumetric Pipette Hyper-secretion of insulin would result in ? - Answer-Hypoglycemia Deoxygenated blood is pumped into the ? - Answer-Pulmonary Circulation Leaving urine out for prolonged time wil ? - Answer-Increase ; bacteria, Urobilnogen , Nitrate, and pH Hemoconcentration can be caused by ? - A...

Selective and Differentials MSA, BP, MAC, EMB MAC Ecoli and S. marceesans MacConkey agar plate inoculated with the gram-negative lactose fermenter Escherichia coli and the gram-negative non-lactose fermenter Serratia marcescens. MAC acid pink - lac pos MAC Neutral to alkaline Opaque--lac negative MAC Ecoli and another weaker fermenter MacConkey agar plate inoculated with Escherichia coli using the streak plate technique Weak fermenter= Entero aerogenes MSA ferment ...

Portage Learning BIOD 171 Lab Exams 1-8 Lecture Exams 2022 Lecture Exams 1. What three elements are used in an autoclave to sterilize equipment? heat, pressure, and steam 2. What is the minimum temperature an autoclave must be set at to achieve sterile condition? 125°C 3. If you are working in a lab in which an autoclave is not available, and you are pressed for time, which would you chose to best sterilize your equipment? Hot steam or hot air? Explain why you chose your answer. ...

What is another name for a liquid growth media, and what are the basic components? - correct answer Growth media in a liquid form is often referred to as nutrient broth. As the name implies its composition consists primarily of essential 'ingredients' such as a rich source of sugars, amino acids, and vitamins. Together, a nutrient broth provides the microbe with a source of carbon/energy, which, in turn, encourages its expansion. What is select...

The core (genome) of the HIV virion contains: A. DNA B. RNA C. Both RNA and DNA D. Neither RNA or DNA B. RNA What two glycoproteins are expressed on the surface of influenza A viruses and are used for subtyping of the viruses? A. Hemagglutinin and Neuraminidase B. Glycoprotein120 (gp120) and Protein 24 (p24) C. Glycoprotein 41 (gp41) and glycoprotein 120 (gp120) D. Neuraminidase and protein 24(p24) A. Hemagglutinin and Neuraminidase A tech is testing a sorbitol negati...

TSI correct answer: Triple Sugar Iron Yellow= acid production or fermentation of the sugars in the slant or butt. Gas production= indicated by the agar lifting up or breaking Red= negative or uninoculated Black= H2S production due to FeS precipitation (think salmonella or proteus) The source of Sulfur for H2S production by bacteria is the amino acid Cysteine TSI additional correct answer: Triple Sugar-Iron agar slants. is a differential medium containing 3 sugars called glucose...

1. DR antigens are found in which of the following systems? - ANSWER-HLA system 2. Which one of the stains below is used to detect separated nucleic acids - ANSWER-SyBr Green 3. Minimum inhibitory concentration (MIC) susceptibility tests should be performed against other beta lactam antibiotics on important S. pneumoniae isolates from blood cultures and other sterile body fluids when a MIC for penicillin is performed? - ANSWER-False 4. If you notice something in your laboratory that is ...