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TLS Online TPP Program

#Question id: 770

MicroRNAs contribute to the regulation of gene expression through:

#XL - Q Biochemistry

  1. acting as an enhancer in the transcription process by binding to the promoter;

  2. inhibiting translation by binding to the 3'end of mRNA;

  3. enhancing translation by binding to the TATA box;

  4. enhancing translation by binding to the 5'end of mRNA.

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TLS Online TPP Program

#Question id: 20168

#XL - P Chemistry

The uncertainty in the momentum of an electron is 1·0 × 10–5 kg ms–1. The uncertainty in its position will be (h = 6·62 x 10–34 kg m2s–1)
TLS Online TPP Program

#Question id: 18490

#XL - R Botany

Which of the given diseases caused due to the deficiency of copper in plants?
TLS Online TPP Program

#Question id: 15705

#XL - S Microbiology

IAA or IBA auxins alone or in combination with a low concentration of cytokinin are important in the induction of
TLS Online TPP Program

#Question id: 5250

#XL - S Microbiology

A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?
TLS Online TPP Program

#Question id: 2179

#XL - S Microbiology

Ion channels achieve selectivity in transport through all of the following mechanisms EXCEPT: