Question

what is cutine and what is it's work in leaf??​

Answer 1

Answer:

Cutin is a  complex biopolyesters composed of fatty acids and aromatic compounds.

Explanation:

It secretes a waxy substance that forms a cuticle impermeable to water. The pores (stomata) in the epidermis that allow for gas exchange are formed between specialized epidermal cells called guard cells.

Answer 2

⇒ Chitin is a large, structural polysaccharide made from chains of modified glucose.

⇒ Chitin is found in the exoskeletons of insects, the cell walls of fungi, and certain hard structures in invertebrates and fish.

⇒ In terms of abundance, chitin is second to only cellulose. In the biosphere, over 1 billion tons of chitin are synthesized each year by organisms.