Skip to content
Philoid
Browse Saved
Back to chapter
Biology
Sample Paper 2012
Home · Class 12 · Biology · Ref. Book · Sample Paper 2012
Prev
Next
Q14 of 30 Page 1

In which technique do we use Taq polymerase enzyme and why?

Taq polymerase enzyme is used in Polymerase Chain reaction. It is a thermostable DNA polymerase isolated from the bacterium Thermus aquaticus. It doesn’t get denatured and remains active during the high temperature induced denaturation of double stranded DNA.


More from this chapter

All 30 →
12

In a particular plant species, majority of the plants bear purple flowers. Very few plants bear white flowers. No intermediate colours are observed. If you are given a plant bearing purple flowers, how would you ascertain that it is a pure breed for that trait? Explain.

13

Why is the introduction of genetically engineered lymphocytes into an ADA deficiency patient not a permanent cure? Suggest a possible permanent cure.

15

Differentiate between a detritivore and a decomposer giving an example of each.

16

DDT content in the water of a lake that supplies drinking water to the nearby villages is found to be 0.004 ppm. The pelicans of that area are reported to have 2.6 ppm of DDT. Why has the concentration increased in these birds? What possible harm will this cause to the bird population? Name the phenomenon.

Questions · 30
Sample Paper 2012
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved