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

TLS Online TPP Program

#Id: 9558

#XL - T Zoology

Orthogenesis - “Straight-line evolution,” held that the variation that arises is directed toward fixed goals.

So that a species evolves in a predetermined direction by some kind of internal drive, without the aid of natural selection.

TLS Online TPP Program

#Id: 9870

#XL - R Botany

Upon absorbing UV-B photons, the tryptophans undergo structural changes that break the salt bridges, leading to the dissociation of the two functionally active monomers. The monomers then interact with COP1–SPA complexes to activate gene expression

TLS Online TPP Program

#Id: 9981

#XL - T Zoology

Delipidation process reduces Wnt signaling, creates a negative feedback mechanism for preventing excessive Wnt signaling.

TLS Online TPP Program

#Id: 8110

#XL - T Zoology

Archaea membrane lipids are isoprene-based lipids.

TLS Online TPP Program

#Id: 9662

#XL - T Zoology

The SH2 domains of PLCγ bind to specific phosphotyrosines on the activated RTKs and cytokine receptors, thus positioning PLCγ close to PIP2.