In the most famous example of Lamarck’s theory, giraffes must have stretched their necks to reach foliage above them, and so their necks were lengthened. The longer necks were inherited, and over the course of generations, this process was repeated, and their necks got longer and longer. 

TLS Online TPP Program

#Id: 1346

#XL - T Zoology

Post-translational modifications of the CAAX motifs determine the subcellular localization and correct biological function of Ras proteins.

TLS Online TPP Program

#Id: 1347

#XL - T Zoology

SOS – Ras GEF

NF1 - Ras GAP

TLS Online TPP Program

#Id: 1348

#XL - T Zoology

RasD or RasONC  Replacement of the normal glycine 12 with any other amino acid (except proline) “locks” Ras in the active GTP-bound state.

TLS Online TPP Program

#Id: 1349

#XL - T Zoology

RAF (also known as MAPKKK),  A ser/thr protein kinase

TLS Online TPP Program

#Id: 1350

#XL - T Zoology

KSR (Kinase suppressor of Ras) is a pseudogene homolog of RAF Involve in the activation of RAF

TLS Online TPP Program

#Id: 1351

#XL - T Zoology

CNK serves as a molecular scaffold platform for KSR-mediated RAF activation