The Plant Cell
Many cell walls also contain lignin, a heterogeneous polymer composed of phenolic compounds that gives the cell rigidity. Lig… See more

Plant chemicals can be divided into two major categories: primary metabolites and secondary metabolites. Primary metabolites are substances produced by all plant cells that are dir… See more

Many plants and seeds contain proteins that specifically inhibit pathogen and pest enzymes by forming complexes that block active sites or alter enzyme conformations, ultimately r… See more

The mechanisms discussed in this article represent a broad overview of plant defense responses. However, the reader is encouraged to investigate other aspects of plant defen… See more