Actin can reversibly assemble into filaments that consist of two helices of actin subunits

TLS Online TPP Program

#Id: 9174

#XL - T Zoology

The overall effect of migration is twofold: 

1.it prevents populations from becoming genetically different from one another, 

2.it increases genetic variation within populations.

TLS Online TPP Program

#Id: 8438

#XL - T Zoology

Where conditions for plant growth are less stressful, plants can evolve life history traits that fall along a continuum from competitors to ruderals.

TLS Online TPP Program

#Id: 10612

#XL - R Botany

When gametophytes are retained within original spore case “Endosporic”

eg:  Selaginella, Isoetes, Marsilea

TLS Online TPP Program

#Id: 10087

#XL - T Zoology

TGF-β1 and TGF-β3 contain RGD motif that binds to integrins.

TLS Online TPP Program

#Id: 9329

#XL - T Zoology

The entire process of rhodopsin phosphorylation and its inactivation by arrestin is fast completed within 50ms.