Programmed cell death, or apoptosis, is an essential part of animal development. In the nematode, with its invariant cell lineage, particular cell lineages or particular cells within specific lineages are destined to end in programmed cell death, and it was this feature that allowed the identification of the process and the analysis of its genetic control.

Which of the following combination of genes are correct?

TLS Online TPP Program

#Question id: 1701

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of superantigens?

TLS Online TPP Program

#Question id: 1702

#Unit 4. Cell Communication and Cell Signaling

αβ T-cells recognizing MHC plus processed peptide can:

TLS Online TPP Program

#Question id: 1703

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE about an epitope?

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: 1705

#Unit 4. Cell Communication and Cell Signaling

What is the single best definition of the most common form of antigen recognized by the T-cell receptor (TCR)

TLS Online TPP Program

#Question id: 1706

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is the best example of a primary lymphoid organ?