Dollo’s law:  A biological generalization positing that complex characters, once lost in evolution, are extremely unlikely to reappear and thus the loss of complex characters is virtually always irreversible.

TLS Online TPP Program

#Id: 8612

#XL - T Zoology

Phosphorylation of a critical threonine residue in the activation loop, Thr-160, allowing substrates to access the active site of the CDK

TLS Online TPP Program

#Id: 8890

#XL - T Zoology

Mitotic spindle attach to chromosomes via specialized protein structures known as kinetochores

TLS Online TPP Program

#Id: 8615

#XL - R Botany

Y15 & T14 are situated in the G-loop of the CDK, containing the consensus sequence GEGT14Y15GVV

TLS Online TPP Program

#Id: 8417

#XL - T Zoology

Many large mammals, including humans and K selected individuals – Type I curve 

Many birds, small mammals, reptiles and some annual plants – Type II curve 

Many fish and marine invertebrates, r selected individuals - Type III curve

TLS Online TPP Program

#Id: 9669

#XL - T Zoology

PI-3 kinase was first identified in studies of the 

polyoma virus, a DNA virus