Active MAP kinase phosphorylates Raf on multiple sites, results: 

TLS Online TPP Program

#Question id: 1822

#Unit 4. Cell Communication and Cell Signaling

Binding of platelet activating factor (PAF) to its receptor on the neutrophil:

TLS Online TPP Program

#Question id: 12291

#Unit 10. Ecological Principles

A school of fish splitting in two and baffling a predator is an example of the ____________.

TLS Online TPP Program

#Question id: 19019

#Unit 9. Diversity of Life Forms

Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive). 

1. sporophyte 2. microspores 

3. microsporangia 4. Pollen cone 

5. Pollen nuclei 

TLS Online TPP Program

#Question id: 1704

#Unit 4. Cell Communication and Cell Signaling

The single best unique description of the interaction of the αβ T-cell receptor with peptide-MHC is that it:

TLS Online TPP Program

#Question id: 7524

#General Aptitude

City X is at a distance of 560 km from City Y. A train starts from City Y to City X at 6 a.m. with a speed of 40 kmph. Another train starts from City X to City Y at 7 a.m. with a speed of 60 kmph. At what distance from City Y will the two trains be at the point of crossing?