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TLS Online TPP Program

#Question id: 4162

Which statement is false concerning aminoacyl-tRNA synthetase?

#Part-A Aptitude & General Biotechnology

  1. It recognizes only one amino acid, but may recognize more than one tRNA.

  2. It requires a conversion from ATP to ADP.

  3. Hydrolysis of pyrophosphate essentially makes its reaction irreversible.

  4. Some synthetases bind the anticodon and others do not.

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TLS Online TPP Program

#Question id: 11288

#Part-B Specialized Branches in Biotechnology

Below is a table showing the number of species and actual food web links observed in three different ecosystems. By calculating connectance as a measure of relative complexity of food webs, which of the following ecosystem are more complex? 
TLS Online TPP Program

#Question id: 19039

#Part-A Aptitude & General Biotechnology

In chromatography, the stationary phase can be ___________ supported on a solid.
TLS Online TPP Program

#Question id: 8923

#Part-A Aptitude & General Biotechnology

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?
TLS Online TPP Program

#Question id: 19149

#Part-A Aptitude & General Biotechnology

The GC trace obtained after an experiment is called a
TLS Online TPP Program

#Question id: 10564

#Part-B Specialized Branches in Biotechnology

The term Ys , called the solute potential or the osmotic potential, represents the effect of dissolved solutes on water potential,

a) The mixing of solutes and water reduces the disorder of the system and thereby lowers free energy

b) Solutes reduce the free energy of water by diluting the water

c) The mixing of solutes and water increases the disorder of the system and thereby lowers free energy

d) Solutes increases the free energy of water by diluting the water

 Which one of the following statements are INCORRECT?