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TLS Online TPP Program

#Question id: 35512

Which of the following are unique features of double fertilization in angiosperms?

#XL - R Botany
  1. Formation of two zygotes from a single pollen tube
  2. Fusion of a male gamete with two polar nuclei
  3. Involvement of two fertilization events in one embryo sac
  4. Formation of a triploid nutritive tissue
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TLS Online TPP Program

#Question id: 27365

#XL - T Zoology

During siRNA-mediated gene silencing within the homo sapiens cell, the RNA-induced Silencing Complex (RISC) is composed of which of the following protein arrangements?
TLS Online TPP Program

#Question id: 27366

#XL - T Zoology

If the siRNA is a complete homolog of the target mRNA sequences what is the net result?
TLS Online TPP Program

#Question id: 27367

#XL - T Zoology

The miRNAs are transcribed from non-protein encoding genes and are typically __________ nucleotides long.
TLS Online TPP Program

#Question id: 27369

#XL - T Zoology

siRNA are produced by __________
TLS Online TPP Program

#Question id: 27370

#XL - T Zoology

Which of the following is not the handiwork of siRNA?
TLS Online TPP Program

#Question id: 27371

#XL - T Zoology

Dicer is __________