Active cytoplasmic cyclin B-CDK1 translocates into the nucleus, where it phosphorylates nuclear lamins to cause nuclear envelope breakdown and, together with Plk1 and the Aurora kinases, induces chromosome condensation and formation of the mitotic spindle.

TLS Online TPP Program

#Id: 8880

#XL - T Zoology

Active cytoplasmic cyclin B-CDK1 translocates into the nucleus, where it phosphorylates nuclear lamins to cause nuclear envelope breakdown and, together with Plk1 and the Aurora kinases, induces chromosome condensation and formation of the mitotic spindle.

TLS Online TPP Program

#Id: 8129

#XL - T Zoology

Some other biologically active isoprenoid compounds or derivatives.

TLS Online TPP Program

#Id: 8127

#XL - T Zoology

β-Carotene is the precursor of vitamin A1.
Oxidation at C-15 converts retinol to the aldehyde, retinal, and further oxidation produces retinoic acid, a hormone that regulates gene expression. 

TLS Online TPP Program

#Id: 8126

#XL - T Zoology

TLS Online TPP Program

#Id: 8125

#XL - T Zoology

Steroids derived from cholesterol.

TLS Online TPP Program

#Id: 8120

#XL - T Zoology

Arachidonic acid and some eicosanoid derivatives.

TLS Online TPP Program

#Id: 8119

#XL - T Zoology

The triterpenes are C30 terpenes and include squalene and lanosterol, two of the precursors of cholesterol