Reciprocal altruism

Cases of altruism are known to exist between unrelated individuals. What drives this phenomenon is a “You scratch my back, I’ll scratch yours” behavior called reciprocal altruism.

TLS Online TPP Program

#Id: 10299

#XL - Q Biochemistry

Lineage commitment

TLS Online TPP Program

#Id: 10578

#XL - R Botany

A.W. Eichler classified the plant kingdom into two sub-kingdoms; Cryptogamae and Phanerogamae

TLS Online TPP Program

#Id: 8351

#XL - Q Biochemistry

WASp activation requires two signals (This type of two-signal input, called coincidence detection):

1. regulatory phospholipid PIP2

2. small GTP-binding protein Cdc42

TLS Online TPP Program

#Id: 9544

#XL - T Zoology

Just as muscles become strengthened by work, more strongly exercised organs attract and become enlarged by the “nervous fluid.” 

Acquired during an individual’s lifetime, are inherited—a principle called inheritance of acquired characteristics.

TLS Online TPP Program

#Id: 7938

#XL - Q Biochemistry

The SRP and the nascent polypeptide chain–ribosome complex bind to the SRP receptor in the ER membrane. This interaction is strengthened by the binding of GTP to both the SRP and its receptor.