Question

write briefly about the biochemical activities involved in source -sink relationship in plants​

Answer 1

Explanation:

Plant cell walls are composed predominantly of the polysaccharides cellulose, hemicellulose, and pectin, although secondary walls are often rigidified by the impregnation of lignin, a heterogenous aromatic polymer. The structure of the plant cell has been extensively reviewed previously and will be described briefly here (for an overview of plant cell wall structure