Which of the following activity prevents unloading of cohesins by Pds5-Wapl, thereby stabilizing the cohesins on chromosomes?

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#Question id: 18645

#Unit 13. Methods in Biology

SDS PAGE separate molecules by size because the presence of SDS (sodium dodecyl sulphate) denatures the protein removing 2˚, 3˚ and 4˚ structures (they assume a linear chain) and the SDS coats the molecules giving them a uniform charge/mass ratio. In an experiment (SDS-PAGE) with a discontinuous buffer system following band pattern is obtained 

   

Choose the correct statement regarding this band pattern

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#Question id: 28214

#Unit 5. Developmental Biology

Specification of different mesodermal cell types in the frog Xenopus laevis by activin, a paracrine factor of the TGF-beta family. Which of the following observation is correct at the slightly lower concentration of activin?

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#Question id: 27643

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct regarding the Type I β turn positions in Ramachandran plot

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#Question id: 11660

#Unit 10. Ecological Principles

Which of the following statements about the succession is true?

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#Question id: 114

#Unit 1. Molecules and their Interaction Relevant to Biology

Sphingosine is not a component of