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Home ‣ Biotechnology ‣ Animal Cell Culture and Regulation See What Others Are Saying!
  • Question

  • Range of optimum glutamine concentration present in the culture media is


  • Options
  • A. 1-2 mmol/litre
  • B. 2-7 mmol/litre
  • C. 7-15 mmol/litre
  • D. 15 - 20 mmol/litre

  • Correct Answer
  • 2-7 mmol/litre 

    • More questions

    • 1. What is the pH of the medium when molasses is used as substrate for the production of citric acid?

    • Options
    • A. 3
    • B. 4
    • C. 5
    • D. 6
      • Discuss
    • 2. Which of these established cell lines originate from a mouse embryo?

    • Options
    • A. 3T3
    • B. BHK
    • C. HeLa
    • D. BTK
      • Discuss
    • 3. SV 40 vectors, in which early region replacements are carried out, require

    • Options
    • A. COS cell line
    • B. SV 40 helper virus
    • C. pBR 322 vector
    • D. none of these
      • Discuss
    • 4. How many chromosomes are there in the budding yeast (S. cerevisiae)?

    • Options
    • A. 16
    • B. 17
    • C. 18
    • D. 20
      • Discuss
    • 5. Both plant and animal cell possess

    • Options
    • A. cell walls
    • B. mitochondria
    • C. central vacuoles
    • D. chloroplast
      • Discuss
    • 6. The spindle forms in the

    • Options
    • A. G1 phase
    • B. G2 phase
    • C. M phase
    • D. S phase
      • Discuss
    • 7. A plasmid used to introduce BT toxin into a plant cell

    • Options
    • A. carries an antibiotic resistance gene that makes the plant resistant to antibiotics
    • B. causes the plant to produce opines
    • C. is toxic for the plant cell
    • D. carries a bacterial gene with a plant promoter
      • Discuss
    • 8. Tomatoes exhibiting delayed ripening express antisense RNA against

    • Options
    • A. glycerol 1 phosphate acyl transferase
    • B. polygalactouranase
    • C. ACC deaminase
    • D. sucrose phosphate synthase gene
      • Discuss
    • 9. The cellular organelle associated with secretion is the

    • Options
    • A. golgi complex
    • B. mitochondrion
    • C. ribosome
    • D. lysosome
      • Discuss
    • 10. Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?

    • Options
    • A. Impeller
    • B. Baffles
    • C. Sparger
    • D. All of these
      • Discuss

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