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Home ‣ Microbiology ‣ Cell Cultures and Characteristics Comments
  • Question

  • Cell size and cell number can be measured using


  • Options
  • A. hemocytometer
  • B. coulter counter
  • C. petroff-hausser counting chamber
  • D. none of these

  • Correct Answer
  • coulter counter 

    • Cell Cultures and Characteristics problems

    Search Results

    • 1. When a substance is added to a solid medium which inhibits the growth of unwanted bacteria but permits the growth of wanted bacteria, it is known as

    • Options
    • A. differential medium
    • B. enriched medium
    • C. enrichment medium
    • D. selective medium
      • Discuss
    • 2. Plate counts are often reported as

    • Options
    • A. cfu
    • B. cfu/ml
    • C. Both (a) and (b)
    • D. thousands/ml
      • Discuss
    • 3. Which of the following methods is most likely to be quantitative?

    • Options
    • A. Dilution and plating
    • B. Gram staining
    • C. Wet mount
    • D. None of these
      • Discuss
    • 4. Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni?

    • Options
    • A. Vacomycin
    • B. Polymyxin
    • C. Trimethoprim
    • D. None of these
      • Discuss
    • 5. All bacteria that inhabit the human body are

    • Options
    • A. heterotrophs
    • B. chemolithotrophs
    • C. autotrophs
    • D. phototroph
      • Discuss
    • 6. The solidifying agent commonly used in preparation of media is/are

    • Options
    • A. agar
    • B. silica gel
    • C. both (a) and (b)
    • D. none of these
      • Discuss
    • 7. Protein portion of an enzyme when it is combined with organic molecule is termed as

    • Options
    • A. apoenzyme
    • B. co-enzyme
    • C. holoenzyme
    • D. co-factors
      • Discuss
    • 8. Many enzymes consists of a protein combined with low molecular weight organic molecule called as

    • Options
    • A. apoenzyme
    • B. co-enzyme
    • C. holoenzyme
    • D. co-factors
      • Discuss
    • 9. The inactive protein from of enzyme is

    • Options
    • A. apoenzyme
    • B. enzyme
    • C. haloenzyme
    • D. cofactor
      • Discuss
    • 10. Who coined the word enzyme first?

    • Options
    • A. Kuhne
    • B. Pasteur
    • C. Liebig
    • D. Buchner
      • Discuss

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