Translation of "Cellular" in Japanese

At the cellular level,

細胞レベルで見ると エストロゲンは

I want a cellular phone.

携帯電話が欲しいな。

I want a cellular phone, but I don't have enough money to pay for one.

携帯電話がほしいのですが、支払うのに十分なお金がありません。