Members of the Poaceae family use benzoxazinoids an alkaloids derived from tryptophan as constitutively produced defensive secondary metabolites. 

TLS Online TPP Program

#Id: 7877

#XL - Q Biochemistry

The cristae’s membranes are the site of ATP synthesis thus the invaginations increase the mitochondrion’s capacity to generate ATP.

TLS Online TPP Program

#Id: 7878

#XL - Q Biochemistry

Crista junction

The connection between the inner boundary membrane and a crista

TLS Online TPP Program

#Id: 7879

#XL - Q Biochemistry

The curvature of the crista junctions is due to a protein complex called MICOS (mitochondrial contact site and cristae organizing system).

TLS Online TPP Program

#Id: 7880

#XL - Q Biochemistry

MICOS has an integral membrane protein subunit that homo-oligomerizes and bends the inner membrane to produce high curvature.

TLS Online TPP Program

#Id: 7881

#XL - Q Biochemistry

MICOS mediates close juxtaposition of the outer membrane and inner membrane by binding to outer membrane–associated proteins

TLS Online TPP Program

#Id: 7882

#XL - Q Biochemistry

The binding partners for MICOS in the outer membrane are Tom and SAM protein complexes, (involved in import of proteins into the mitochondria).