The bond dissociation energy of gaseous H₂, Cl₂ and HCl are 104, 58 and 103 kcal mol^{– 1} respectively. The enthalpy of formation for HCl gas will be

TLS Online TPP Program

#Question id: 15451

#XL - S Microbiology

T-cell dependent, B-cell activation require many signals except___

TLS Online TPP Program

#Question id: 15452

#XL - S Microbiology

During  activation of B-cell, T cell delivers cytokines and other signals to its partner B cell. Which types of cytokine signals secreted by T-cells?

TLS Online TPP Program

#Question id: 15453

#XL - S Microbiology

Activated B cells divide and differentiate into antibody-producing plasma cells, this process occurred in 

TLS Online TPP Program

#Question id: 15454

#XL - S Microbiology

B cells migrate to the lymphoid follicles, they are directed by chemokine interaction_________, which is secreted by follicular dendritic cells (FDCs)

TLS Online TPP Program

#Question id: 15455

#XL - S Microbiology

Variable region of antibody containing sequence motif DGYW/WRCH, which are responsible for mutation, where R, W, H represented as____

TLS Online TPP Program

#Question id: 15456

#XL - S Microbiology

IL-5 Class Switch IgM into