Practice Questions

TLS Online TPP Program

#Question id: 2628

Choose true statement about lac repressor;

#Part-A Aptitude & General Biotechnology

Lac repressor binds as a dimer.
located 400 bp downstream and 90 bp upstream of the primary operator.
Each operator is contacted by only one of these subunits.
The different oligomeric form alters the mechanism of DNA recognition.

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TLS Online TPP Program

#Question id: 12691

#Part-A Aptitude & General Biotechnology

If the area of a rectangle be (x^2 +7x + 10) sq. cm, then one of the possible perimeter of it is

TLS Online TPP Program

#Question id: 13045

#Part-A Aptitude & General Biotechnology

Maxam Gilbert DNA sequencing causes cleavage of DNA based on:

TLS Online TPP Program

#Question id: 2950

#Part-A Aptitude & General Biotechnology

During which phases of the cell cycle do the chromosomes exist in a doubled state?

TLS Online TPP Program

#Question id: 4379

#Part-A Aptitude & General Biotechnology

Bromodomains are found in chromosome-associated proteins that contribute to transcriptional activation. To facilitate this activation, the bromodomains bind to histones, specifically their lysine residues that have been post-translationally modified by:

TLS Online TPP Program

#Question id: 2070

#Part-A Aptitude & General Biotechnology

The sodium-potassium pump is called an electrogenic pump because it: