We know that lactose has a positive impact on the activity of the lac operon. Tryptophan’s presence has a ________________

TLS Online TPP Program

#Question id: 21008

#Part-B Specialized Branches in Biotechnology

Which of the following statement is correct for defined media?

TLS Online TPP Program

#Question id: 19190

#Part-A Aptitude & General Biotechnology

Emulsion or droplet PCR is another modification of PCR. Which of the statement holds true?

TLS Online TPP Program

#Question id: 18804

#Part-A Aptitude & General Biotechnology

Non toxic labelling can be done by using

TLS Online TPP Program

#Question id: 18653

#Part-A Aptitude & General Biotechnology

In SDS-PAGE, migration of protein is affected by

TLS Online TPP Program

#Question id: 4481

#Part-B Specialized Branches in Biotechnology

Choose correct statements about recognition mechanism of TBP ;

A. TBP causes the minor groove to be widened to an almost flat conformation

B. It also bends the DNA by an angle of ~120o

C. The interaction between TBP and DNA involves maximum number of hydrogen bonds between the protein and the edges of the base.

D. Much of the specificity is imposed by two pairs of phenylalanine side chains that intercalate between the base pairs at either end of the recognition sequence and drive the strong bend in the DNA.