Phytochrome interacting factors (PIFs) are a family of proteins that act primarily as negative regulators of photomorphogenic responses.

TLS Online TPP Program

#Id: 8908

#XL - T Zoology

Phosphatase is recruited to centromeric by the Shugoshin family of proteins

TLS Online TPP Program

#Id: 8909

#XL - T Zoology

Separase cleaves centromeric cohesin, triggering the onset of anaphase, releasing the sister chromatids

TLS Online TPP Program

#Id: 8910

#XL - T Zoology

Before anaphase Separase is inhibited by the binding of the protein securin and Mitotic CDKs.

TLS Online TPP Program

#Id: 8911

#XL - T Zoology

TLS Online TPP Program

#Id: 8912

#XL - T Zoology

When all the kinetochores have properly attached to spindle microtubules, APC/CCdc20 directs ubiquitinylation of securin and mitotic cyclins

TLS Online TPP Program

#Id: 8913

#XL - T Zoology

APC/CCdc²⁰ is inhibited by a checkpoint pathway that ensures that anaphase is not initiated until all chromosomes have achieved proper attachment to the mitotic apparatus.