Macconkey plate - Study guides, Class notes & Summaries

BIOS-242 Lab Practical Review Latest 2023 Graded A+ ________ and _____ ______ ______ are used to focus the microscope course and fine focus knobs _______ is where the specimen to be viewed is placed stage ______ ______ the primary optical lenses on a microscope. optical lens optical lens range from _X-_____X 4X-100X _______ is the light source for a microscope, typically located in the base of the microscope illuminator ______ connects to the base and supports the microscope head. It is al...

>100,000 CFU/mL of a gram-negative bacilli were isolated on MacConkey from a urine specimen. Biochemical results are as follows: glucose: acid, gas produced indole: negative urea: positive TDA: positive H2S: positive The organism is most likely: a Morganella morganii b Proteus mirabilis c Proteus vulgaris d Providencia stuartii - b Proteus mirabilis b Morganella and Providencia do not produce H2S; the indole reaction differentiates P mirabilis and P vulgaris. 13 An Enterococcus ...

A positive result for esculin hydrolysis on Bile Esculin Agar appears as correct answers darkening around growth The Bile Esculin test is common used to identify correct answers enterococci Of what benefit would it be for an organism to have enzymes to hydrolyze esculin? correct answers To produce glucose for use in glycolysis. You have been given an unknown culture that you have narrowed down to be a Streptococcus or Enterococcus through various assays. In the latest test it has not pr...

Growth media - nutrient-rich environment for isolating and culturing microorganisms, includes sugars, amino acids, and vitamins, also called nutrient broth, grows microbes in a suspension Lysogeny broth - most common nutrient broth, can grow a vast array of microbes, plates are yellow, non-selective and non-differential media, commonly used for growing e coli (easily produces recombinant proteins) Selective media - suppress growth of unwanted bacteria and encourage growth of desired microb...

Microbiology Lab 2024 Exam Questions And Answers Complex Media - ANSWER- Contains a variety of ingredients and there is no exact chemical formula for ingredients (can be highly variable). Examples include: Nutrient Broth, Blood agar, and chocolate agar. Chemically Defined Media - ANSWER- Composed of precise amounts of pure chemical and generally not practical for routine laboratory use (invaluable in research) Selective Media - ANSWER- Inhibit the growth of unwanted organisms (allow o...

1. DR antigens are found in which of the following systems? - HLA system 2. Which one of the stains below is used to detect separated nucleic acids - 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? - False 4. If you notice something in your laboratory that is a potentially hazardous s...

Microbiology Lab Final Study guide 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 ...

BI 234 LAB PRACTICAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED BY EXPERT Gram negative bacteria Thin layer of peptidoglycan. Contains outer membrane (lipo-polysaccharides, lipoproteins, phospholipids) with porin. gram positive bacteria Bacteria that have a thick peptido glycan cell wall, and no outer membrane. They stain very darkly (purple) in Gram stain. endospore stain A differential stain used to detect the presence and location of spores in bacterial cells. TSA plat...

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...

Straighterline Microbiology Lab BIO250L Lab 4 Selective Media & Agar Worksheet (New Version Updated) Lab Report Format Expectations Utilize college level grammar and professional formatting when completing this worksheet. Submissions without proper formatting, all required photos or sufficient responses will be rejected. Pre-lab Questions 1. In this lab, you will conduct three different experiments that each cover the topic of selective media and agar. How are these experiments different fr...