Brian Walker (1992) proposed the Redundancy hypothesis Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

TLS Online TPP Program

#Id: 10534

#Unit 4. Cell Communication and Cell Signaling

BH3-only proteins: Regulate activity of Bcl-2 and Bax/Bak proteins

Bim, Puma, Noxa, Bik, Bmf, Bad, Hrk, Bid

TLS Online TPP Program

#Id: 1420

#Unit 4. Cell Communication and Cell Signaling

Integrins function as transmembrane linkers (integrators) between the extracellular matrix and the actin cytoskeleton.

TLS Online TPP Program

#Id: 5499

#Unit 10. Ecological Principles

Grime’s triangle is an alternative to r and K Selection by by Philips grime

TLS Online TPP Program

#Id: 10127

#Unit 6. System Physiology – Plant

Polar auxin transport is described in terms of the direction of its movement in relation to the base of the plant (the root–shoot junction). 

TLS Online TPP Program

#Id: 7676

#Unit 1. Molecules and their Interaction Relevant to Biology

A dihedral angle is determined by 4 atoms. These 4 determine Phi (φ). Here, the angle is 0º.