Necrotroph induces the generation of plant ROS, leading to death of host tissue and, ultimately, pathogen growth.

#Id: 8120

#Unit 1. Structure and Function of Biomolecules

Arachidonic acid and some eicosanoid derivatives.

#Id: 8125

#Unit 1. Structure and Function of Biomolecules

Steroids derived from cholesterol.

#Id: 8126

#Unit 1. Structure and Function of Biomolecules

#Id: 8127

#Unit 1. Structure and Function of Biomolecules

β-Carotene is the precursor of vitamin A1.
Oxidation at C-15 converts retinol to the aldehyde, retinal, and further oxidation produces retinoic acid, a hormone that regulates gene expression. 

#Id: 8129

#Unit 1. Structure and Function of Biomolecules

Some other biologically active isoprenoid compounds or derivatives.

#Id: 8130

#Unit 1. Structure and Function of Biomolecules