is a lactose analog which is broken down by enzyme beta-galactosidase to give a product deep blue in colour.

TLS Online TPP Program

#Question id: 15341

#Unit 4. Cell Communication and Cell Signaling

Formation of pre B-cell  describing__

A. Surrogate light chain formation 

B. On these surface present IgM

C. Heavy chain had been formed

D. DJ H chain recombination

TLS Online TPP Program

#Question id: 15342

#Unit 4. Cell Communication and Cell Signaling

The heavy chain is then expressed on the cell surface in combination with the surrogate light chain, which is made up of_______________, together they form the pre-B-cell receptor,

TLS Online TPP Program

#Question id: 15446

#Unit 4. Cell Communication and Cell Signaling

Hyper IgM syndrome caused by mutation in?

TLS Online TPP Program

#Question id: 15447

#Unit 4. Cell Communication and Cell Signaling

During development two types of B-cells will be formed:- 

I) T1 cell

II) T2 cell

Some features about T1 and T2 cells given in below;

a) Maturity achieve

b) Found in blood circulation

c) Presence of  Immunoglobulin IgM high and IgD low

d) Expressing CD21 and CD23

e) Cell expressing BAFF-R, Which bind with BAFF survival factor

Match the cell with their correct features;

TLS Online TPP Program

#Question id: 15448

#Unit 4. Cell Communication and Cell Signaling

Stimulation of a single B cell would result in the generation of a clone of cells having_____

TLS Online TPP Program

#Question id: 15449

#Unit 4. Cell Communication and Cell Signaling

Class switch recombination of B-cell that is generated upon recognition of protein antigens and requires the participation of_____