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TLS Online TPP Program

#Question id: 3292

Which of the following is correct observation?

#SCPH28 | Zoology

  1. Niche partitioning allows for selection of differential patterns of resource usage, which can drive speciation

  2. This narrowing of phenotypes causes a reduction in genetic diversity in a population

  3. Extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype

  4. The phenotypes grade become wide and caused increases the genetic diversity in a population

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TLS Online TPP Program

#Question id: 6967

#SCPH28 | Zoology

Gastrulation in sea urchins, Drosophila, and Xenopus all begin with a change in cell shape, in which the apical surface of an epithelial sheet contracts. This process is called:
TLS Online TPP Program

#Question id: 4339

#SCPH05 I Biotechnology

In positive control of several sugar metabolism-related operons, the cAMP receptor protein (CRP) binds to DNA to stimulate transcription. Which of the following environmental conditions causes an increase in CRP activity in stimulating transcription?
TLS Online TPP Program

#Question id: 23151

#SCPH06 I Botany

If the concentration of Ca2+ is high inside the cell and fura-2 dye is used to map the concentration which of the following conditions will prevail?
1. Fluorescence will decrease
2.  Fluorescence will increase
3. Emission of light at higher wavelength
4. Emission of light at lower wavelength
Which of the following options are correct?
TLS Online TPP Program

#Question id: 4165

#SCPH28 | Zoology

Which is true about proofreading activity during the synthesis of aminoacyl-tRNAs?
TLS Online TPP Program

#Question id: 18368

#SCPH28 | Zoology

The Phytoremediation system can be used for the treatment of