Color of gram stain for - Study guides, Class notes & Summaries

MIP 302 Exam 1 Questions with Correct Answers Why do gram positive cells stain purple, and gram negative cells stain pink? - Answer-gram + cells stain purple because they have a thick peptidoglycan layer that is too thick for the decolorizer to remove the grams iodine, whereas gram - cells have a thin ppg that allow for the removal of the mordant and for them to stain pink What objective lens do you use to determine the gram stain reaction and the morphology of bacteria? - Answer-using the 1...

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...

A hysteroscope is an example of a/an correct answer: Rigid endoscope When using a flexible endoscope, instruments are introduced into the body through the: correct answer: Biopsy port True or false? More healthcare-associated infections are linked to contaminated endoscopes than any other device. correct answer: True True or false? It is important for all staff who process endoscopes to understand the point-of-use preparation and handling of endoscopes. correct answer: True The i...

BIOS 242 Week 3 Assignment; Lab 5 of 14 Onsite; Differential Staining Learning Objectives: Explain the principle of differential staining Apply differential staining to identify bacteria Differential stain uses two or more stains to specifically stain certain structures or cellular components which cannot be easily observed using simple stains. Differential staining principles are based upon the specific chemical nature and composition of cellular components and therefore, different s...

Infectious agent a pathogen, such as a bacterium or virus that can cause a disease Bacteria - Most significant and most commonly observe infection-causing agent in health care institutions - Categorized by shape Cocci (spherical) Bacilli (rod-shaped) Spirochetes (corkscrew) - Gram positive, have thick walls that resist the loss of color. Will stain violet - Gram negative, complex cell walls that can be decolorized by alcohol. Will not stain - Antibiotics are classified as specifically effectiv...

NWHSU Microbiology Midterm Exam Questions And Correct Solutions New Update (A+ Pass) Which are cellular etiologic agents of infectious disease? - Answers - Bacteria, fungi, protozoa, helminths (worms) Which are a-cellular etiologic agents of infectious disease? - Answers - Viruses and prions Which groups of microorganisms are eukaryotic/prokaryotic? - Answers - Eukaryotic: fungi, protozoa, helminths (worms) Prokaryotae: bacteria Name major differences between eukaryotic and prokary...

why is the spore stain used with bacteria such as Bacillus and Clostridium? - ️️they develop an endospore in response to certain environmental conditions such as depletion of nutrients procedure for making smears - ️️1. use a wax pencil to draw a circle on the slide 2. take a loop of distilled water and smear it on the slide 3. take a very small loop of culture 4. smear it onto distilled water 5. allow to dry then heat fix, smear side up 3x what is the purpose of aseptic techniqu...

Straighterline Microbiology Lab BIO250L Lab 3 Structure & Microscopy (New Version Updated 2024/2025) 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 experiments. What is the ultimate goal of those experiments in the context of this lab? What learning outcomes do y...

Uark microbiology lab practical 1 rated A Coccus A spherical bacterium. Bascillus Rod shaped bacteria Spirillum A spiral-shaped bacterium. Uses of good bacteria on our bodies, in yogurt, and can be used to clean up oil and radiation colony visible mass of cells Innoculation putting bacteria into a medium what is the purpose of aseptic technique -no contaminating organisms are introduced into culture materials during handling or inoculation -handler and other people are not contaminated by ...

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...