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

TLS Online TPP Program

#Id: 8129

#Section 2: General Biology

Some other biologically active isoprenoid compounds or derivatives.

TLS Online TPP Program

#Id: 8639

#Section 3: Genetics, Cellular and Molecular Biology

Phosphorylation of Whi5 promotes its export out of the nucleus, allowing the transcription factor complex SBF to induce transcription of the G1/S phase cyclin genes CLN1 and CLN2.

TLS Online TPP Program

#Id: 10368

#Section 2: General Biology

Class II MHC glycoproteins expressed predominantly on pAPCs, where they primarily present exogenous antigenic peptides to CD4+ T cells.

TLS Online TPP Program

#Id: 8342

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 10346

#Section 2: General Biology

T1 cells are mIgMhi, mIgD -/lo, CD21-, CD23-, CD24+, and CD93+. 

T2 cells differ from T1 cells in having higher levels of mIgD and in expressing CD21 and CD23.