The conversion of cholesterol to pregnenolone, catalyzed by cholesterol desmolase (P450scc or CYP11A1), in mitochondria

TLS Online TPP Program

#Id: 6477

#Unit 3. Fundamental Processes

Start point, is the first base of mRNA to be A Initiator (Inr) is Py2CAPy5, where Py stands for any pyrimidine. The Inr is contained between positions -3 and +5. TATA box, usually located, 25 bp upstream in its location at -25

TLS Online TPP Program

#Id: 9922

#Unit 4. Cell Communication and Cell Signaling

IFN-ϒ acts directly by inducing an antiviral state in nearby cells.

IL-2 acts indirectly by assisting the development of cytotoxic T lymphocyte(CTL) precursors into an effector population.

Both IL-2 and IFN-ϒ activate NK cells.

TLS Online TPP Program

#Id: 10417

#Unit 4. Cell Communication and Cell Signaling

Metastasis

Spread of cancer cells from their site of origin and establishment of areas of secondary growth

TLS Online TPP Program

#Id: 3613

#Unit 3. Fundamental Processes

The termination codons (UAA, UAG, and UGA), also called stop codons or nonsense codons.

TLS Online TPP Program

#Id: 6809

#Unit 3. Fundamental Processes