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Biology · Textbook solutions

Biotechnology: Principles and Processes

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. · 17 questions

Exercises

17 q
  1. Ex 9 Q1
    Can you list 10 recombinant proteins which are used in medical practice? Find out where they are used as therapeutics (use the internet).
  2. Ex 9 Q2
    Make a chart (with diagrammatic representation) showing a restriction enzyme, the substrate DNA on which it acts, the site at which it cuts DNA and the product it produces.
  3. Ex 9 Q3
    From what you have learnt, can you tell whether enzymes are bigger or DNA is bigger in molecular size? How did you know?
  4. Ex 9 Q5
    Do eukaryotic cells have restriction endonucleases? Justify your answer.
  5. Ex 9 Q6
    Besides better aeration and mixing properties, what other advantages do stirred tank bioreactors have over shake flasks?
  6. Ex 9 Q7
    Collect 5 examples of palindromic DNA sequences by consulting your teacher. Better try to create a palindromic sequence by following base-pair rules.
  7. Ex 9 Q8
    Can you recall meiosis and indicate at what stage a recombinant DNA is made?
  8. Ex 9 Q9
    Can you think and answer how a reporter enzyme can be used to monitor transformation of host cells by foreign DNA in addition to a selectable marker?
  9. Describe briefly the following:
    Ex 9 Q10 (a)
    Origin of replication
  10. Ex 9 Q10 (b)
    Bioreactors
  11. Ex 9 Q10 (c)
    Downstream processing
  12. Explain briefly
    Ex 9 Q11 (a)
    PCR
  13. Ex 9 Q11 (b)
    Restriction enzymes and DNA
  14. Ex 9 Q11 (c)
    Chitinase
  15. Discuss with your teacher and find out how to distinguish between
    Ex 9 Q12 (a)
    Plasmid DNA and Chromosomal DNA
  16. Ex 9 Q12 (b)
    RNA and DNA
  17. Ex 9 Q12 (c)
    Exonuclease and Endonuclease