Two trains are moving in opposite directions at 72 km per hour and 90 km per hour . Their lengths are 500 m and 400 m respectively. the time taken by the Slower train to cross the faster train is

TLS Online TPP Program

#Question id: 1810

#Unit 4. Cell Communication and Cell Signaling

Allelic exclusion is not seen for:

TLS Online TPP Program

#Question id: 1811

#Unit 4. Cell Communication and Cell Signaling

The first wave of fetal γδ T-cell receptor cells in mouse colonize the:

TLS Online TPP Program

#Question id: 1812

#Unit 4. Cell Communication and Cell Signaling

What is the percentage of γδ T-cells bearing Vγ9, Vδ2 T-cell receptors in human adult peripheral blood?

TLS Online TPP Program

#Question id: 1813

#Unit 4. Cell Communication and Cell Signaling

The T-cells in male H-2b SCID mice bearing a transgenic αβ T-cell receptor gene specific for H–Y in association with H-2Db will:

TLS Online TPP Program

#Question id: 1814

#Unit 4. Cell Communication and Cell Signaling

In Sir Peter Medawar's classic experiments demonstrating the development of immunological tolerance:

TLS Online TPP Program

#Question id: 1815

#Unit 4. Cell Communication and Cell Signaling

Genuine adaptive T- and B-cell responses are seen in: