Match the following:

Column I                  Column II

I Alkaloids               P. Digoxigenin

II Terpenoids          Q. Menthol

III Quinones           R. Anthocyanins

IV Steroids            S. Anthraquinones

                              T. Morphine

TLS Online TPP Program

#Question id: 2675

#SCPH06 I Botany

Which of the following statements regarding the trp operon is true?

TLS Online TPP Program

#Question id: 2676

#SCPH05 I Biotechnology

The structural genes of lac operon transcribe mRNA which is

TLS Online TPP Program

#Question id: 2676

#SCPH06 I Botany

The structural genes of lac operon transcribe mRNA which is

TLS Online TPP Program

#Question id: 2677

#SCPH05 I Biotechnology

Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?

TLS Online TPP Program

#Question id: 2677

#SCPH06 I Botany

Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?

TLS Online TPP Program

#Question id: 2678

#SCPH05 I Biotechnology

Insertional inactivation of the lacZ gene on a plasmid can be used to screen for recombinants on a plate containing: