He is an expert in enzymology and conducts many researches.

He appealed against the verdict.

He filed an appeal against the verdict.

He was prosecuted and brought to trial.

I heard from my family that my remote ancestor was a samurai.

This enzyme helps with chemical reactions in the body.

Aircraft carriers are an important part of the navy's strength.

This project is recruiting participants through a public appeal.

We have started an appeal for our new project.

Yeast is necessary to make bread.