S1P3O1R1O1P3O1L1L1E1N1I1N1
17 points
SPOROPOLLENIN is validvalid
[n SPOROPOLLENINS]
a polymer that comprises the exine (outer layer of the wall) of spores and pollen grains [n -S]
[n SPOROPOLLENINS]
a polymer that comprises the exine (outer layer of the wall) of spores and pollen grains [n -S]