The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

 A) tropical communities are older.

 B) tropical regions generally have more available water and higher levels of solar radiation.

 C) higher temperatures cause more rapid speciation.

 D) diversity increases as evapotranspiration decreases.

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#Question id: 14833

#XL - S Microbiology

The pneumococcal vaccine is directed against the

TLS Online TPP Program

#Question id: 14880

#XL - S Microbiology

Which of the following cells control the differentiation HSCs (hematopoietic stem cells)?

TLS Online TPP Program

#Question id: 14883

#XL - S Microbiology

Where is double negative selection is found during T-cell formation?

TLS Online TPP Program

#Question id: 14884

#XL - S Microbiology

Which types of cell shows the middle affinity towards the self proteins? 

TLS Online TPP Program

#Question id: 14885

#XL - S Microbiology

Mature T cell is found in thymus in

TLS Online TPP Program

#Question id: 14888

#XL - S Microbiology

Given below are some cytokines and stimulated cell lines ;

Which one of the following is the correct match between the Interleukines and cell lines ?