Plant pathogens are divided into three groups

Biotrophs derive energy from living cells, they are found on or in living plants, can have very complex nutrient requirements and do not kill host plants rapidly;

Necrotrophs derive energy from killed cells; they invade and kill plant tissue rapidly and then live saprotrophically on the dead remains;

TLS Online TPP Program

#Id: 8687

#XL - R Botany

TLS Online TPP Program

#Id: 9268

#XL - S Microbiology

Nitrogenase is a complex consisting of the MoFe protein (dinitrogenase or component I) a heterotetramer, and the Fe protein (dinitrogenase reductase or component II) a homodimer.

TLS Online TPP Program

#Id: 8916

#XL - T Zoology

Cytokinesis

With the exception of higher plants, the division of the cell is brought about by a contractile ring made of actin and myosin

TLS Online TPP Program

#Id: 9708

#XL - T Zoology

Ste5 acts as a scaffold for assembling other components in the cascade Ste11, Ste7, and Fus3.

TLS Online TPP Program

#Id: 8032

#XL - Q Biochemistry

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