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TLS Online TPP Program

#Question id: 19051

Select the correct statement regarding paper chromatography from the following.

#Unit 13. Methods in Biology
  1. Paper chromatography is a type of partition chromatography
  2. A special quality paper is used in paper chromatography
  3. Chromatography paper contains water trapped in it, which acts as stationary phase
  4. All of the mentioned
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TLS Online TPP Program

#Question id: 11224

#Unit 7. System Physiology – Animal

How could you increase the magnitude of excitatory postsynaptic potentials (EPSPs) generated at a synapse?
TLS Online TPP Program

#Question id: 3000

#Unit 2. Cellular Organization

Mycoplasmas are bacteria that lack cell walls. On the basis of this structural feature, whichstatement concerning mycoplasmas should be true?
TLS Online TPP Program

#Question id: 31029

#Unit 4. Cell Communication and Cell Signaling

All GPCR signal transduction pathways share the following common elements. which of the following is incorrect regarding GPCR? 
TLS Online TPP Program

#Question id: 142

#Unit 1. Molecules and their Interaction Relevant to Biology

Histidine has pKa values of 1.8, 6.0 (R-group) and 9.3 . At pH 8.0, the net charge on histidine is
TLS Online TPP Program

#Question id: 19463

#Unit 13. Methods in Biology

DIC microscopy is used for visualizing 
1. Minute details
2. Thick objects
3. Thin objects
4. Larger details
Which among the following options is correct?