When will you go to Japan?

When are you going to Japan?

He will help at any time.

The study of chromosomes is an important part of genetics.

The activity of brain cells directly affects our thoughts and actions.

Cytology is a branch of biology that studies the structure and function of cells.

Stem cell research is opening up new frontiers in medicine.

The cell nucleus holds genetic information.

The cell membrane plays an important role in maintaining the structure of the cell.

Germ cells play an important role in the reproduction of organisms.