B cells migrate to the lymphoid follicles. They are directed there by chemokine interactions between CXCL13, which is secreted by follicular dendritic cells (FDCs).

TLS Online TPP Program

#Id: 8884

#Section 3: Genetics, Cellular and Molecular Biology

This phosphorylation, together with phosphorylation of lamin B by protein kinase C, causes depolymerization of the lamin intermediate filaments.

TLS Online TPP Program

#Id: 8885

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 8886

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 8887

#Section 3: Genetics, Cellular and Molecular Biology

The mitotic CDKs phosphorylate specific nucleoporins, which causes nuclear pore complexes to dissociate during prophase. 

TLS Online TPP Program

#Id: 8888

#Section 3: Genetics, Cellular and Molecular Biology

A key function of mitotic CDKs, together with other protein kinases and ubiquitin-protein ligases, is to induce the formation of the mitotic spindle, also known as the mitotic apparatus.

TLS Online TPP Program

#Id: 8889

#Section 3: Genetics, Cellular and Molecular Biology

Centrosomes contain γ tubulin, which forms specific ringlike complexes (γ TuRCs) that, have the ability to nucleate microtubules and form a bipolar spindle