The majority of the antibiotics have been isolated from 

TLS Online TPP Program

#Question id: 15332

#XL - S Microbiology

At the surface of B-cell contain antibody- IgM and IgD, How is the formation of IgD from IgM?

TLS Online TPP Program

#Question id: 15333

#XL - S Microbiology

Which of the following surface marker protein found on the B-cell and function as co-receptor__

TLS Online TPP Program

#Question id: 15334

#XL - S Microbiology

In which type of BCR (surface protein) present on to the B-cell, which are responsible for the conversion of membrane bound into secreted form of antibody. If it is not present then this conversion isn’t possible;

TLS Online TPP Program

#Question id: 15337

#XL - S Microbiology

HSCs express which type of cell-surface molecule, which is the receptor for stem cell factor (SCF). It is a cytokine that exists in both membrane-bound and soluble forms and the SCF-surface molecules interaction is critical for the development, in adult animals, of multipotential progenitor cells (MPPs).  Which type of surface molecules HSCs express?

TLS Online TPP Program

#Question id: 15338

#XL - S Microbiology

Which cell generated on the receipt of SCF/c-Kit signaling lose the capacity for extensive self-renewal, but retain the potential to differentiate into several different hematopoietic lineages and also transiently express the molecule CD34?

TLS Online TPP Program

#Question id: 15339

#XL - S Microbiology

HSCs begin their life in close contact with osteoblasts located close to the lining of the endosteal cavity. Once differentiated to the pre-pro-B-cell stage, the developing B cells require Which type of signals from the chemokine, which is secreted by a specialized set of stromal cells?