He has cyclothymia, and his mood changes drastically.

This wall is made of chalky material.

His new song is composed in E flat major.

Variational method is a branch of mathematics used to find the minimum and maximum values of functions.

The grey matter of the brain is the central part of information processing.

He has psychopathy, making it difficult for him to understand social rules.

Amorphous substances have characteristics different from crystals.

The cytosol is the liquid part inside the cell, and many enzymatic reactions occur here.

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

Protein-degrading enzymes play a role in breaking down unnecessary proteins in the body.