iterative addition造句

例句与造句

1. The first step in the biosynthesis of griseofulvin by " P . griseofulvin " is the synthesis of the 14-carbon poly-?-keto chain by a type I iterative polyketide synthase ( PKS ) via iterative addition of 6 malonyl-CoA to an acyl-CoA starter unit.
2. It's difficult to find iterative addition in a sentence. 用iterative addition造句挺难的