All cytokines have a similar tertiary structure consisting of four long conserved α helices folded together.

TLS Online TPP Program

#Id: 1937

#Unit 4. Cell Communication and Cell Signaling

The reaction occurs on an immune complex or other non cellular activating surface, then the hydrophobic binding sites cannot anchor the complex and it is released. Released C5b67 complexes can insert into the membrane of nearby cells and mediate “innocent bystander” lysis.

TLS Online TPP Program

#Id: 2922

#Unit 13. Methods in Biology

Nomograph for the determination of the relative centrifugal fi eld for a given rotor
speed and radius.

TLS Online TPP Program

#Id: 3350

#Unit 3. Fundamental Processes

Methyltransferase catalyzes the transfer of the methyl group on O6 -methylguanine to a cysteine residue on the enzyme, thereby restoring the normal G in DNA.

TLS Online TPP Program

#Id: 1940

#Unit 4. Cell Communication and Cell Signaling

Regulation of complement activity

TLS Online TPP Program

#Id: 3308

#Unit 6. System Physiology – Plant

The hydrogen peroxide (H 2 O 2 ) thus generated is rendered harmless by the action of glutathione peroxidase.