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TLS Online TPP Program

#Question id: 19172

Select the correct statement for Column Chromatography from the following options.

#Unit 13. Methods in Biology
  1. The lesser the polarity of solute, more strongly it will be adsorbed on a polar surface
  2. The greater the polarity of solute, more weakly it will be adsorbed on a polar surface
  3. The greater the polarity of solute, more strongly it will be adsorbed on a polar surface
  4. All of the mentioned option
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TLS Online TPP Program

#Question id: 1943

#Unit 4. Cell Communication and Cell Signaling

What is HLA-DR2 a risk factor for?
TLS Online TPP Program

#Question id: 2068

#Unit 2. Cellular Organization

Which of the following molecules dramatically increases the rate of diffusion of water across cell membranes?
TLS Online TPP Program

#Question id: 4713

#Unit 11. Evolution and Behavior

A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed. Which of these statements explains why the pigweed reappeared?
TLS Online TPP Program

#Question id: 2557

#Unit 2. Cellular Organization

In liver cells, the inner mitochondrial membranes are about five times the area of the outer mitochondrial membranes. What purpose must this serve?
TLS Online TPP Program

#Question id: 14958

#Unit 6. System Physiology – Plant

Where the matrix polysaccharides are synthesized by