Ornithine and citrulline, which are not found in proteins, are intermediates in the biosynthesis of arginine and in the urea cycle.

TLS Online TPP Program

#Id: 4233

#Unit 12. Applied Biology

TLS Online TPP Program

#Id: 8460

#Unit 1. Molecules and their Interaction Relevant to Biology

The intrinsic propensity of an amino acid residue to form an  helix

TLS Online TPP Program

#Id: 9334

#Unit 4. Cell Communication and Cell Signaling

An evolutionarily conserved family of signaling molecules, TGF-β superfamily includes: 

TGF-β family, Nodal and activin families, BMPs, Vg1 family, GDNF, AMH

TLS Online TPP Program

#Id: 5687

#Unit 7. System Physiology – Animal

Arginine in the vasopressin molecule is replaced by lysine to form lysine vasopressin 

TLS Online TPP Program

#Id: 2943

#Unit 3. Fundamental Processes

The Mammalian genome could be replicated in -1 hour if all replicons functioned simultaneously.