In absence of Ca2+, 

the hinges can flex, the structure becomes floppy & adhesion fails

TLS Online TPP Program

#Id: 7691

#Unit 1. Molecules and their Interaction Relevant to Biology

                                             bab Motif

These motifs are generally found in right handed helix above the plane of the beta sheet

Almost all the proteins containing parallel beta sheets have this motif. 

The helix is generally not seen below the plane of beta sheets                                           

TLS Online TPP Program

#Id: 7253

#Unit 5. Developmental Biology

Generation of antibodies to T-dependent antigens

TLS Online TPP Program

#Id: 7436

#Unit 5. Developmental Biology

The top of the mound continues to emit cAMP pulses and is pushed upwards by the movement of cells underneath

TLS Online TPP Program

#Id: 8924

#Unit 2. Cellular Organization

DNA damage response system

halts cell cycle progression and

recruits DNA repair machinery

when DNA is compromised

TLS Online TPP Program

#Id: 3256

#Unit 6. System Physiology – Plant

Pumping of proton is driven by the the energy transfer of electron, and the reaction it catalyzes is vectorial