Illustration depicting a chlamydia-infected ... The dark green shape on the right of the cell denotes the nucleus.

The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and one electron in the region outside the nucleus. The electron and proton are attracted to each other.

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.

scientists have for the first time produced livermorium-290 (Z=116), a superheavy atomic nucleus, using a beam of titanium-50 (Z=22). Illustration image from Pixabay This pathway was known to be very ...