The precursor oligosaccharide is transferred from a

dolichol lipid anchor to the asparagine as an intact unit in a reaction catalyzed by a transmembrane oligosaccharyl transferase enzyme complex.

TLS Online TPP Program

#Id: 8633

#Section 3: Genetics, Cellular and Molecular Biology

Mutating or deleting the destruction box in mitotic cyclins prevented their ubiquitination and blocked cells from exiting mitosis.

TLS Online TPP Program

#Id: 8110

#Section 2: General Biology

Archaea membrane lipids are isoprene-based lipids.

TLS Online TPP Program

#Id: 8032

#Section 2: General Biology

Ornithine and citrulline, which are not found in proteins, are intermediates in the biosynthesis of arginine and in the urea cycle.

TLS Online TPP Program

#Id: 8620

#Section 3: Genetics, Cellular and Molecular Biology

A second class of CKIs found in metazoan cells is the Cip/Kip family of CKIs, consists of three proteins—p21CIP, p27KIP1, and p57KIP2. 

TLS Online TPP Program

#Id: 9272

#Section 2: General Biology