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TLS Online TPP Program

#Question id: 3868

The sigma factor of E. coli RNA polymerase: 

#SCPH05 I Biotechnology

  1. associates with the promoter before binding core enzyme.

  2. combines with the core enzyme to confer specific binding to a promoter.

  3. is inseparable from the core enzyme.

  4. is required for termination of an RNA chain.

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TLS Online TPP Program

#Question id: 15607

#SCPH28 | Zoology

In gene transformation over high expression can be achieved by expressing the gene 
1. Inducible promoter
2. Constitutive  promoter
3. Terminator sequence
4. Increasing copy no. of gene
Which of the following are correct
TLS Online TPP Program

#Question id: 5343

#SCPH06 I Botany

 Dosage Compensation in case of mammal is result in
TLS Online TPP Program

#Question id: 10528

#I Life Science/ Life Sciences Group – I-V

The insect ingests plant tissue containing the fatty acids, an enzyme in the gut conjugates the plant-derived fatty acid to an insect-derived amino acid typically;
TLS Online TPP Program

#Question id: 82

#I Life Science/ Life Sciences Group – I-V

The structures of D-ribose and D-arabinose are shown below. These two molecules are
TLS Online TPP Program

#Question id: 4341

#SCPH05 I Biotechnology

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the promoter for the lac operon to the region between the beta galactosidase (lacZ) gene and the permease (lacY) gene, which of the following results would be most likely?