炭素 たんそ同化 どうか作用 さようじゃなかったです
tanso dō kasayōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 炭素同化作用

1. Wasn't carbon assimilation.; Didn't assimilate carbon.

Past/Perfective
Negative
Polite
Casual Register
Biochemistry