Nucleation phase 

Two G-actin molecules bind relatively weakly to each other, but addition of a third actin monomer to form a trimer makes the entire group more stable, acts as a nucleus for polymerization.

TLS Online TPP Program

#Id: 9649

#XL - T Zoology

In humans, there are three RAS, three Raf, two MEK, and two MAP proteins.

TLS Online TPP Program

#Id: 10583

#XL - R Botany

Algae

They exist as-

Microscopic Unicellular- Chlamydomonas

Colonial Forms- Volvox 

filamentous forms- Ulothrix and Spirogyra

TLS Online TPP Program

#Id: 9554

#XL - T Zoology

Alfred Russel Wallace - Who was collecting specimens in the Malay Archipelago, had independently conceived of natural selection

TLS Online TPP Program

#Id: 8366

#XL - Q Biochemistry

Myosin I

single head domain

Function- Membrane association, endocytosis

TLS Online TPP Program

#Id: 4693

#XL - T Zoology

Altruism

Altruistic acts serve to benefit the individual’s close relatives, or kin. They enhance the fitness of other individuals—their offspring—at a cost to themselves.