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TLS Online TPP Program

#Question id: 4319

Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?

#SCPH28 | Zoology

  1. Their normal products participate in repair of DNA damage.

  2. The mutant forms of either one of these prevent breast cancer.

  3. The normal genes make estrogen receptors.

  4. They block penetration of breast cells by chemical carcinogens.

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TLS Online TPP Program

#Question id: 765

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

miRNA plays a role in transcriptional and post transcriptional regulation by which of the following
TLS Online TPP Program

#Question id: 10401

#SCPH06 I Botany

Chloroplast movements in some plants is maintained by fused molecules of phytochrome and phototropin is known as
TLS Online TPP Program

#Question id: 3853

#SCPH28 | Zoology

In E. coli, promoter sequences are located at which of the following position(s) on the template strand?
TLS Online TPP Program

#Question id: 4163

#SCPH05 I Biotechnology

The net effect of all amino acid tRNA synthetases binding to a tRNA is to position the __ of tRNA in the active site.
TLS Online TPP Program

#Question id: 15275

#SCPH01 Biochemistry

Affinity chromatography on oligo(dT)-cellulose columns, is used for eukaryotic mRNA extraction, instead of using oligo(dT)-cellulose we can also use