The researcher isolated a single hematopoietic cell to study how blood cells differentiate.

Under the microscope, the single-celled organisms moved with surprising speed.

T cells play a crucial role in the immune response by identifying and destroying infected cells.

B cells produce antibodies that help neutralize pathogens during infection.

In biology class, we examined cell membranes under the microscope to observe how they regulate substance passage.

She removed the old storage cell and installed a high-capacity rechargeable one.

The vegetative cell continued metabolizing nutrients while the spore remained dormant.

The new array of photovoltaic cells on our roof produces enough electricity to run the entire household.

During the biology lecture, she pointed to the diagram showing how an egg cell is fertilized by a sperm to form a zygote.

I realized I left my cell-phone on the café table after I had already reached the bus stop.