Get help now

Microbiology week

  • Pages 2
  • Words 415
  • Views 305
  • dovnload

    Download

    Cite

  • Pages 2
  • Words 415
  • Views 305
  • Academic anxiety?

    Get original paper in 3 hours and nail the task

    Get your paper price

    124 experts online

    Which of the following stains is used frequently to identify Mycobacterium and other bacteria whose cell walls contain high amounts of lipids? Gram stain Schaeffer-Fulton stain Acid-fast stain Lipid stain Spore Stain 2. Which of the following stains is used to classify microorganisms based on their cell wall content?

    Capsular stain Gram stain Spore stain Negative stain Methyl blue 3. In the Gram stain, Gram-positive bacteria stain with a color due to the incorporation of the purple, crystal violet red, seafaring red, crystal violet dye into their cell wall. Purple, seafaring 4. What is the function of the mordant iodine in a Gram staining procedure? A mordant causes the crystal violet to run. A mordant fixes the bacteria to the slide. A mordant keeps dye attached to an object. All of the above 5.

    What is the order of reagents used in the Gram stain? Crystal violet, iodine, seafaring, alcohol alcohol, crystal violet, iodine, seafaring iodine, crystal violet, seafaring, alcohol rascal violet, iodine, alcohol, seafaring crystal violet, seafaring, alcohol, iodine 6. The presence of a capsule around bacterial cells usually indicates their increased disease-causing potential and resistance to disinfection. Capsules are generally viewed by spore staining. Scanning electron microscopy. Gram staining Section: True or False 7.

    Fluorescent microscopes use an ultraviolet (IV) light source and fluoroscopes as stains. True False 8. Older, pure cultures of Gram-positive organisms can appear red when Gram stained. True Section: Matching 9. Which microscope is used to view internal structures of unstained, living cells? Scanning electron microscope Dark-field microscopy Transmission electron microscope Phase contrast microscopy Bright-field microscopy Fluorescent Microscope 10. A technique for observing flagella by coating the surfaces of flagella with a dye or a metal such as silver.

    Differential stain Flagella stain Schaeffer-Fulton spore stain Simple stain Zilch-Nielsen acid-fast stain Cationic dye (also called basic dye) 1 1 . The Compound light microscope can be used to observe: Ribosome, bacteria, viruses and red blood cells. Yeast, amino acids, bacteria and red blood cells Red blood cells, bacteria and viruses Cell organelles, bacteria and red blood cells Proteins, viruses, atoms and bacteria Bacteria, red blood cells and amino acids 12.

    A differential stain used to make endosperm easier to visualize. Differential stain 3 A single dye used to reveal basic cell shapes and arrangements . Differential stain 14. All of the following are parts of a compound microscope except: Condenser Mechanical stage Laser light source Diaphragm Ocular lens Body tube Adjustment knobs 15. An ionic compound, used for staining bacteria, in which the positive ion imparts the color. Differential stain Top of Form Bottom of Form

    This essay was written by a fellow student. You may use it as a guide or sample for writing your own paper, but remember to cite it correctly. Don’t submit it as your own as it will be considered plagiarism.

    Need a custom essay sample written specially to meet your requirements?

    Choose skilled expert on your subject and get original paper with free plagiarism report

    Order custom paper Without paying upfront

    Microbiology week. (2017, Oct 27). Retrieved from https://graduateway.com/microbiology-week/

    Hi, my name is Amy 👋

    In case you can't find a relevant example, our professional writers are ready to help you write a unique paper. Just talk to our smart assistant Amy and she'll connect you with the best match.

    Get help with your paper
    We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy