N2 constitutes about 80% of the earth’s atmosphere, but the stability of its triple bond renders it inert and metabolically inaccessible to most organisms.

TLS Online TPP Program

#Id: 7158

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 1858

#Unit 3. Fundamental Processes

TATA less, Inr Less promoters uses Sp1 activator to position TBP with TAFs

TLS Online TPP Program

#Id: 1496

#Unit 4. Cell Communication and Cell Signaling

p19ARF protein in the Mouse = p14ARF in Humans

TLS Online TPP Program

#Id: 8496

#Unit 1. Molecules and their Interaction Relevant to Biology

When Phi is fixed at -80º. Clashes occur at all Psi angles except:

+10 to -55º (alpha helix)

+90 to 180 (beta strand

TLS Online TPP Program

#Id: 9356

#Unit 4. Cell Communication and Cell Signaling

RI will not bind to RII unless RII is bound to TGF-β.