Sar1 GTPase drives the pinching off of COPII vesicles

ARF GTPase drives the pinching off of COPIvesicles

Dynamin GTPase drives the pinching off of clathrin-coated vesicles

TLS Online TPP Program

#Id: 8127

#Section 2: General Biology

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: 7833

#Section 2: General Biology

TLS Online TPP Program

#Id: 8846

#Section 3: Genetics, Cellular and Molecular Biology

In budding yeast CKI p27 = Sic1 in metazoans

TLS Online TPP Program

#Id: 8875

#Section 3: Genetics, Cellular and Molecular Biology

Pin1 and Plk1 modify and phosphorylate Cdc25C to stimulate its phosphatase activity

TLS Online TPP Program

#Id: 9201

#Section 3: Genetics, Cellular and Molecular Biology