Dahlia is my favorite flower.

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

This picture was drawn using charcoal paper.

I draw pictures using brown charcoal.

I am planning to go to Istanbul next week.

In this experiment, we will observe the movement of cells using green fluorescent protein (ryokushoku keikou tanpakushitsu).

In this experiment, we will observe the movement of cells using green fluorescent protein.

He recognizes the danger of extremism.

Cyclopentane is a compound often used in organic chemistry.

Cyclooctane plays an important role in organic chemistry.