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#Question id: 4947


The first genes on Earth were probably

#Unit 11. Evolution and Behavior
  1. DNA produced by reverse transcriptase from abiotically produced RNA.

  2. DNA molecules whose information was transcribed to RNA and later translated in polypeptides.

  3. auto-catalytic RNA molecules.

  4. RNA produced by autocatalytic, proteinaceous enzymes.


Answer:- Option(s): 3


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#Question id: 19149

#Unit 13. Methods in Biology

The GC trace obtained after an experiment is called a

TLS Online TPP Program

#Question id: 19150

#Unit 13. Methods in Biology

What useful information can be found from a Van Deemter plot?

TLS Online TPP Program

#Question id: 19151

#Unit 13. Methods in Biology

Which of the following is the application of ion exchange chromatography?

TLS Online TPP Program

#Question id: 19152

#Unit 13. Methods in Biology

In ion exchange chromatography The exhausted cation exchange column is regenerated by passing a solution of ____________

TLS Online TPP Program

#Question id: 19153

#Unit 13. Methods in Biology

Ion exchange capacity of a resin is dependent on :-

TLS Online TPP Program

#Question id: 19154

#Unit 13. Methods in Biology

Ion exchange chromatography is the method of choice for the separation of-

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