Actin exists as: 

a globular monomer -G-actin 

a filamentous polymer- F-actin

TLS Online TPP Program

#Id: 8990

#XL - T Zoology

Adaptive introgression

When the incorporation of a foreign variant leads to an increase of the fitness of the recipient pool.

TLS Online TPP Program

#Id: 3167

#XL - T Zoology

Theory of recapitulation - Ernst Haeckel
He proposed that the embryonic development of an individual organism (its ontogeny) followed the same path as the evolutionary history of its species (its phylogeny).

TLS Online TPP Program

#Id: 8015

#XL - T Zoology

Character displacement

Morphological differences in two closely related species present in same geographical area while similar morphology when present at different geographical are

1. Niche diversification

2. Co-existence of many species

3. Evolutionary program

TLS Online TPP Program

#Id: 9952

#XL - T Zoology

Immune Response Generated against Schistosoma mansoni

TLS Online TPP Program

#Id: 10097

#XL - T Zoology

Three major classes of animal-cell junctions: 

1. Anchoring junctions

2. Tight junctions

3. Gap junctions