The SH3 domains in GRB2 selectively bind to 

proline-rich sequences in Sos

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.

TLS Online TPP Program

#Id: 9041

#XL - T Zoology

TLS Online TPP Program

#Id: 9401

#XL - T Zoology

Animal cognition

Some animal, especially many mammal, bird have cognitive ability that  extend to reasoning, problem solving, tool used and symbolic  communication.

TLS Online TPP Program

#Id: 5492

#XL - T Zoology

TLS Online TPP Program

#Id: 8642

#XL - R Botany