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: 9166

#XL - T Zoology

Mutation

Mutation has changed the allelic frequency.

it increases genetic variation within populations and between population.

TLS Online TPP Program

#Id: 9290

#XL - R Botany

Ammonium uptake from the soil is carried by AMT/Rh family transporters

TLS Online TPP Program

#Id: 8878

#XL - R Botany

At the same time that Cdc25C is being activated, mitotic CDKs and Plk1 phosphorylate Wee1, which targets it for destruction through a phosphobinding SCF protein-ubiquitin ligase. This forms positive feedback loop 2

TLS Online TPP Program

#Id: 9263

#XL - Q Biochemistry

Anammox is anaerobic production of molecular nitrogen from NH4 +and NO2–

TLS Online TPP Program

#Id: 9615

#XL - T Zoology

Four related EGF receptors participate in signaling by the many members of EGF family :

In the mouse - Erb-B1, 2, 3, and 4

In humans - HER 1, 2, 3, and 4