The pair of hormones required for a callus to differentiate are____

TLS Online TPP Program

#Question id: 1738

#Unit 4. Cell Communication and Cell Signaling

T-cell help for antibody production:

TLS Online TPP Program

#Question id: 1739

#Unit 4. Cell Communication and Cell Signaling

Cross-linking of B-cell surface receptors:

TLS Online TPP Program

#Question id: 1740

#Unit 4. Cell Communication and Cell Signaling

Activation of resting B-cells by T-helper cells depends directly upon costimulatory interaction between:

TLS Online TPP Program

#Question id: 1741

#Unit 4. Cell Communication and Cell Signaling

B-cells as distinct from T-cells:

TLS Online TPP Program

#Question id: 1742

#Unit 4. Cell Communication and Cell Signaling

The T-cell receptor link to MHC–peptide is enhanced by interaction between MHC class II on the antigen-presenting cells with the following molecule on the T-cell:

TLS Online TPP Program

#Question id: 1743

#Unit 4. Cell Communication and Cell Signaling

The main costimulatory signal for activation of resting T-cells is provided by ligation of: