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TLS Online TPP Program

#Question id: 766

With respect to microRNAs, which, if any, of the following statements, is true?

#SCPH05 I Biotechnology

  1. MicroRNA is a generic term that covers all tiny RNAs, ones that are less than 35 nucleotides long when mature.

  2. MicroRNA genes often occur in gene clusters within introns of protein-coding genes and are usually transcribed by RNA polymerase II.

  3. MicroRNAs regulate target genes by binding to complementary sequences on one DNA strand of the target gene.

  4. MicroRNAs normally regulate the expression of just a single target gene.

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TLS Online TPP Program

#Question id: 2723

#SCPH05 I Biotechnology

With respect to the solenoid model of nucleosome, which of the following is true?
TLS Online TPP Program

#Question id: 14364

#SCPH05 I Biotechnology

Enzyme activity was monitored over the last two stages of an enzyme extraction-separation process. 0.4 g protein, from Stage 5, converted 46 mmol substrate in 10 sec, and 0.02 g protein, from Stage 6, converted 49 mmol in 30 sec. Calculate % increase in activity obtained over the two step  
TLS Online TPP Program

#Question id: 5070

#SCPH28 | Zoology

During juxtacrine pathway, notch protein is activated by the neighbouring cells which expresses:
TLS Online TPP Program

#Question id: 8899

#SCPH06 I Botany

A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. In addition to these, it will probably have which of the following characteristics?
TLS Online TPP Program

#Question id: 1266

#SCPH28 | Zoology

Integrins