Bile salts play an important role in the digestion of fats.

If the level of urate is high, the risk of gout increases.

Japan's net national product is an important indicator of the health of the economy.

He is an expert in nuclear physics.

Bioweapons are a major threat to humanity.

In this experiment, we will use various inorganic compounds.

In this experiment, we will observe the reaction of organic compounds.

I love biology.

This structure has existed for centuries.

He is an expert in paleontology and is researching dinosaurs.