えすTAP てぃうえうぴい細胞 さいぼうじゃありませんでした
esutiueu pii saibōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of STAP細胞

1. Was not iPS cells.; Was not an iPS cell.

Past/Perfective
Negative
Polite
Terminal Form
Biology