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प्रश्न
David is a molecular biologist. He uses a technique to know the amino acids occupy the first and the last positions in the Chain - A and Chain - B of insulin. Name the scientist whose contribution made it possible for David to use this technique.
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उत्तर
Sanger
APPEARS IN
संबंधित प्रश्न
Rearrange the following in the correct sequence to accomplish an important biological reaction:
(a) In vitro synthesis of copies of DNA of interest
(b) Chemically synthesized oligonucleotides
(c) Enzyme DNA-polymerase
(d) Complementary region of DNA
(e) Genomic DNA template
(f) Nucleotides provided
(g) Primers
(h) Thermostable DNA-polymerase (from Thermus aquaticus)
(i) Denaturation of ds-DNA
Enlist different types of restriction enzymes commonly used in rDNA technology? Write about their role.
______ is a Type I restriction enzyme.
The rDNA technology has provided a method to control the nematode parasite Meloidogyne incognita. Explain the principle involved in this technique.
The source of taq Polymerase used in PCR is a ______.
Identify the desirable characteristics for a plasmid used in rDNA technology from the following.
- Ability to multiply and express outside the host in a bioreactor.
- A highly active promoter.
- A site at which replication can be initiated.
- One or more identifiable marker genes.
- One or more unique restriction sites.
What is polymerase chain reaction (PCR)?
pBR322, used very frequently in cloning experiments as a vector in E. coli is ______.
What are the different types of electrophoresis?
Study the diagram given below and answer the questions that follow.

- Name the cloning vector shown above. In which organism in this cloning vector inserted?
-
Mention any two restriction sites shown in the diagram.
- Name any two selectable markers shown in the diagram.
