In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus ...

Each gene might have different forms, and these are called alleles. The diagram shows the relationship between the cell, its nucleus, chromosomes in the nucleus, and genes.

It is the unit of heredity, and may be copied and passed on to the next generation. The diagram shows the relationship between the cell, its nucleus, chromosomes in the nucleus, and genes.

The film explores the structure and function of plant and animal cells using a microscope. It begins with observing onion cells, highlighting their components such as the cell wall, nucleus, and ...