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#Question id: 4947


The first genes on Earth were probably

#XL - S Microbiology
  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: 421

#XL - Q Biochemistry

The flow of material through a metabolic pathway is called the ________

TLS Online TPP Program

#Question id: 421

#XL - R Botany

The flow of material through a metabolic pathway is called the ________

TLS Online TPP Program

#Question id: 422

#XL - S Microbiology

The flow of material through a reaction pathway usually depends on ________.

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#Question id: 422

#XL - Q Biochemistry

The flow of material through a reaction pathway usually depends on ________.

TLS Online TPP Program

#Question id: 422

#XL - R Botany

The flow of material through a reaction pathway usually depends on ________.

TLS Online TPP Program

#Question id: 423

#XL - S Microbiology

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.

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