Lysine is one of the components of proteins.

Protein is necessary for muscle growth.

What are the ingredients of this product?

He ate one apple.

Is it possible to change the configuration of this computer?

It took him a year to compose that song.

Where is his place of origin?

This is my first question.

All members of our team are experts.

Constructivism is an educational theory that knowledge is actively constructed by each learner.