DNA でぃうえぬえう修復 しゅうふく酵素 こうそじゃなかったです
diuenu eushūfukukōsojanakattadesu

Noun
Desu Copula

The polite, past negative form of DNA修復酵素

1. Wasn't a DNA repair enzyme.

Past/Perfective
Negative
Polite
Casual Register