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TLS Online TPP Program

#Question id: 2659

The correct option regarding the lac operon in E.coli from the following is

#SCPH05 I Biotechnology

  1. Lac operon is switched on in the absence of lactose

  2. Lac repressor binds to the lac promoter

  3. β-galactosidase is the only enzyme produced in large quantities when lac operon is turned on

  4. lac operon messenger RNA is a polycistronic mRNA

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TLS Online TPP Program

#Question id: 4129

#SCPH01 Biochemistry

Which of the following statements about the tRNA that normally accepts phenylalanine is false?  (mRNA codons for phenylalanine are UUU and UUC.)
TLS Online TPP Program

#Question id: 939

#SCPH01 Biochemistry

Which of the following is/are true concerning transanimation reactions?
TLS Online TPP Program

#Question id: 15732

#SCPH28 | Zoology

In the phases of callus growth which phase shows cells expansion increase.
TLS Online TPP Program

#Question id: 27836

#Research Methodology

ICMR-NARFBR (National Animal Resource Facility for Biomedical Research) has been inaugurated in which city?
TLS Online TPP Program

#Question id: 3920

#SCPH28 | Zoology

The genes that encode proteins are transcribed by RNA polymerase __.