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TLS Online TPP Program

#Question id: 2620

Which option is correct about catabolite activator protein binds as

#Part-A Aptitude & General Biotechnology

  1. Tetramer to a site similar in length to that of the lac operator

  2. This site is located some 60 bp upstream of the start site of transcription

  3. When CAP binds to that site, the activator helps polymerase bind to the operator

  4. This cooperative binding stabilizes the binding of polymerase to the promoter

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TLS Online TPP Program

#Question id: 18953

#Part-A Aptitude & General Biotechnology

These membranes are made on Teflon base: they have high affinity for proteins, are highly mechanically stable like nylon membranes and can be used for provides high binding capacity for proteins and nucleic acids for western, southern, and northern blotting methods.  
TLS Online TPP Program

#Question id: 10388

#Part-B Specialized Branches in Biotechnology

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?
TLS Online TPP Program

#Question id: 11876

#Part-A Aptitude & General Biotechnology

The smallest perfect square divisible by each of 6, 12 and 18 is 
TLS Online TPP Program

#Question id: 675

#Part-A Aptitude & General Biotechnology

Which statement is not true about an α-helix?
TLS Online TPP Program

#Question id: 8919

#Part-B Specialized Branches in Biotechnology

The last common ancestor of all animals was probably a