A tram is running down the street.

There is a state-of-the-art electron microscope in my laboratory.

Electroporation is a biotechnology technique that creates temporary holes in the cell membrane to incorporate substances into the cell.

He is undergoing electrotherapy for his back pain.

It's difficult to understand the principles of electrooptics.

There is an old incandescent light bulb in my room.

My new electric vacuum cleaner is very quiet, making cleaning easier.

Chemotransmitters play an important role in the transmission of information between nerve cells.

Cytogenetics is a science that studies the structure and function of chromosomes and genes.

The trolleybus is very convenient as a means of urban transportation.