23. In the Anthony method of staining the bacterial capsule, which step is not i

Question

23. In the Anthony method of staining the bacterial capsule, which step is not included in order to avoid shrinking and destroying the capsule a. Smear preparation b. a basic dye 24. In the acid fast stain, an organism such as Micobacteriam smegmaris will stain a. Blue due to the primary stain, methylene stain ahelHeat fising d. All of the above after a successful staining technique. b. Pink to red due to the primary stain, carbol fuchsine c. Green due to the primary stain, malachite green d. None of the above 25?The Schaeffer-Fulton method of staining utilizes to stain the endospore and a. Safranin,malachitegre ento stain the vegetatne celi b. Malachite green; safranin c. Methylene blue; iodine d. lodine, methy leme blue 26. A common media used in a Microbiology lab is nutrient agar. It is considered a media because its exact composition is not known but it contains all the necessary ingredients for most facultative a. Defined organisms to grow successfully b. Selective c. Minimal d. Complex 27. Rod shaped bacteria are called a. Bacilli d. Spirilla b. Streptocooci c.Cocci 28. Some bacteria such as Clostridiwm form a thick- walled structure called response to poor environmental conditions a. Endospore b. Capsule c. Sheath d. Pilus 29. Nitrifying bacteria are an example of b. Chemoautotrophs c. Chemoheterotrophs d. Photoheterotrophs 30. Organisms that obtain their energy by oxidizing inorganic chemical sources are called a. Photoautotrophis b. Chemosutotrophs d. Photoheterotrophs 31. If you carried out an experiment growing different types of microorganisms in liquid culture, which type of organism would you find congregated just a little below the liquid's surface? a. obligate aerobes e. microacrophiles d. aerotolerant bacteria b. obligate anacrobes 32. A particular agent that only inhibits the growth of bacterial cells but does not kill them is said to be b. Bacteriostatic; bactericidal 33. Which term best describes an organism that can't exist in the presence of oxygen? while an agent that kills the bacterial cells is said to be c. Bactericidal; bacteriostatic d. Sporocidal; fungicidal a. obligate acrobe b. facultative acrobe c. obligate anacrobe d. facultative anaerobe

Explanation / Answer

23. C . Heat fixing is not done

24. B primary stain carbol fuschin

25.b malachite green and safranin

26. D nutrient agar is a complex media

27.a. bacilli

28. A endoscope

29. B chemoautotroph

30.b chemoautotroph

31.c microaerophi led

32.bacteriostatic and bactericidal

33.obligate anaerobes

32

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