Question

What is sporopollenin???

Answer 1

Sporopollenin definition is - a relatively chemically inert polymer that makes up the outer layer of pollen grains and some spores.

Answer 2

Sporopollenin is one of the most chemically inert biological polymers.

It is a major component of the tough outer (exine) walls of plant spores and pollen grains.

It is chemically very stable and is usually well preserved in soils and sediments.

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