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

TLS Online TPP Program

#Question id: 26889

#Unit 10. Ecological Principles

Shifting cultivation is a form of agricultural practice in the hills of Northeast India, where a forest patch is cleared and cultivated for a few years, after which it is left fallow and allowed to regenerate. Succession occurs on such previously cultivated plots. Over time, the plant community should move towards which region in the graph?

TLS Online TPP Program

#Question id: 11840

#Unit 6. System Physiology – Plant

During an ethylene signalling pathway, what will have done  inside cytosol and nucleus . Given below some prediction about presence and absence of ethylene in column B match with column A

COLUMN A	COLUMN B
I-  In the presence of ethylene	a)  ETR1 signaling is repressed and CTR1 is inactive
II- In the absence of ethylene	b)  ETR1 activate CTR1, a Ser/Thr kinase
	c)  CTR1 phosphorylates the C-terminal domain of EIN2
	d)  The nonphosphorylated C terminus of EIN2 is cleaved by a protease
	e)  Phosphorylation of EIN2 inhibits proteolytic cleavage
	f)  EIN3 transcription factors are ubiquitinated and degraded in the nucleus by the 26S proteasome
	g)  EIN3 initiates a transcriptional cascade by activating expression of ethylene-responsive genes, including ERF1 transcription factor, leading to ethylene responses

 

TLS Online TPP Program

#Question id: 28741

#Unit 2. Cellular Organization

Peroxisomes is the major sites of oxygen utilization that contain oxidative enzymes which is___

TLS Online TPP Program

#Question id: 2367

#Unit 2. Cellular Organization

Glycolysis occurs ______

TLS Online TPP Program

#Question id: 1209

#Unit 4. Cell Communication and Cell Signaling

The sequence of events that occurs after insulin binds to its receptor tyrosine kinase is: