6/ The critical process in microscopic preparation of samples is * Mounting O Labelling Staining 8/ Safranin is an acidic pigment. O True O False 17/The ratio of Interphase form Life cycle of cell * 90% 80% 60%
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- 1.Describe the difference between the appearance of surface and subsurface colonies in a pour plate. If this is the same bacterial species, why do these differences in colonial growth occur? 2.Define the term "colony" as it relates to bacterial growth on solid media.1. What is the actual magnification of Cell X? Explain the solution .13. A staining that divides organisms into two groups depending on their staining is referred to as __________. a) simple staining b) differential stain c) structural staining d) morphological staining
- A. iMAGE 1 1. What is a special characteristic of the microorganism shown? CHOICES: A.It shows colonies in clusters. ,B.It's movement is aided by its, C.monotrichous flagella., D.It's cells occur in pairs., E.It contains a waxy lipid on its walls., F.It has an endoflagella. ,GIt contains an endospore., H.It shows colonies in chains. I.It's movement is aided by its peritrichous flagella. J. It is eukaryotic. 2. What staining method is done? CHOICES: A. Ziehl-Neelsen Stain, B. Schaeffer C. Fulton Stain, D. Flagella Stain, E. Gram Stain, F. KOH MounT 3.How do you describe the shape of the microorganism ? CHOICES:A. Filamentous B. Cocci ,C. possible ,D. Spirochete, E. Bacilli ,F. Pleomorphic 4. How do you describe the shape of the microorganism? CHOICES:A. Staphylococcus aureus ,B. Vibrio cholerae, C. Leptospira interrogans, D. Escherichia coli ,E. Malassezia furfur ,F. Neisseria gonorrhoeae ,G. Streptococcus pyogenes , H. Bacillus anthracis, I. Mycobacterium tuberculosis 5. What could…1. Although sparse, there is still visible growth of microorganisms in Plate D which is the uninoculated plate. Where do you think the microorganisms came from?1. The technique used in bacteria for endospore staining can also be used to observe fungal spores. Select one: True False 2. Which of the following statements is/are TRUE? a. Agar does not provide nutrients to microorganisms. b. Peptone, pork extracts, and yeast extracts provide nutrients to microbes. c. Tap water must be used for preparing culture media. d. A & B are correct. e. B & C are correct Clear my choice 3. Motility of microorganisms is BEST observed with a a. Flagellar stain b. Hanging drop preparation c. Solid medium d. Negative stain e. Streak plate Clear my choice
- 1. Why should we not use toothpicks in streaking bacterial colonies in an agar plate? what should be used instead of toothpicks? 2. Enumerate at least two normal flora each living in the skin and in the intestines I will upvoteee4. All the following can be autoclaved EXCEPT: a) Biological material b) Glass ware c) Radioactive material d) Broth and gel media for growing bacteria5. The autoclave raises the atmospheric pressure to _____ : a) 10 psi b) 15 psi c) 20 k joules d) 25 watts6. In the experiment with serial dilutions, the plates which should be used for the final count for colonies should have a range of _______ CFU in order to have a reliable estimate: a) <10 b)10-15 c) 15-20 d) none of the above1. Compare the growth of the culture found in Plates A, B, C and D. Which among the four plates has shown the most growth? Why do you think so? 2. Describe the abundance of the colonies found in the plates. What possible type of microorganisms are found in the plates?
- 15) In Gram Stain the reagent that gives the bacteria the purple color is: a) the wavelength b) primary stain c) secondary stain d) alcohol e) fluorescein15. Which of the following statement is true? A. Gram negative bacteria have thicker peptidoglycan layer B. Safranin stain gives the cell a pink red color C. lodine is a de-staining agent D. Gram positive bacteria lose the crystal violet/iodine stain complex when washed with alcobelHow does the microscopy in Figure 2 show that the capsule and an S-layer can exist in the same cell at the same time? I need help finding the answer in the article and explain in short answer link to article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC106848/
