Nucleus close nucleusA cell component found in most cells which contains the genetic material (DNA) of the organism and controls the cell’s activities.: In the model, this is the grape.

The secret to cellular youth may depend on keeping the nucleolus—a condensed structure inside the nucleus ... cells stop dividing, so the researchers hope to use the knowledge gained from this ...

The film explores the structure and function of plant and animal cells using a microscope. It begins with observing onion ...