Question
How and why is the bacterium Thermus aquaticus employed in recombinant DNA technology? Explain.

Answer

Bacterium is a source of enzyme Taq polymerase,

Which is isolated from bacterium Thermus aquaticus, and is used to amplify DNA in vitro (by PCR),

It remains active even under high temperature at which DNA denatures.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Explain with suitable examples the homology and analogy found in the plant or its parts.
Rajesh was doing gel electrophoresis to purify DNA fragments. Given below is the sketch of the observations of the experiment performed by him.

  1. At which end he would have loaded the samples and where?
  2. Analyse the reason for different positions taken up by the DNA bands.
  3. Elaborate the step he would have followed to visualize DNA bands.
  1. Match the microbes listed under Column-A with the products mentioned under Column-B.
 
Column-A
 
Column-B
(a)
Penicillium notatum
(i)
Statin
(b)
Trichoderma polysporum
(ii)
Ethanol
(c)
Monascus purpurea
(iii)
Antibiotic
(d)
Saccharomyces cerevisiae
(iv)
Cyclosporin-A
  1. Why does ‘Swiss Cheese’ develop large holes?
What will happen to an ecosystem if:
  1. All producers are removed;
  2. All organisms of herbivore level are eliminated;
  3. All top carnivore population is removed.
Name the hormones produced only during pregnancy in a human female. Mention their source organ.
Discuss about the major programs that the Ministry of Environment and Forests, Government of India, has initiated for saving major Indian rivers from pollution.
What is obsessive-compulsive disorder? How is it different from borderline personality disorder? What are the two most common obsessions that affect adolescents?
What is the role of cervix of the human female system in reproduction?
What do you think is the significance of reproduction health in a society?
Which part of the blastula is destined to form the germ layers of the developing embryo in humans?