They play a role in the biological recognition phenomena involving cells and proteins.

They may also reproduce through conjugation, which is peculiar in involving cells of different size and often involves total fusion.

This requires an exquisitely controlled regulatory system that involves specialized cells that communicate with each other.

One solution to this problem involves growing cells on an MEA inside a sealed chamber.

Dr. Howland said that process might involve cells that measure contrast.

She developed a technique that involved mixing cells from a black mouse strain into the blastocysts of white or brown mice in vitro.

At present, proposals for human gene therapy exclusively involve cells that would not be inheritable by the children of the patients.

But ethicists say great care must be taken in work involving human embryonic cells.

It involves immune cells known as T cells.

The technique involves lysing cells using detergents and salts.