15 results found

Search Results for: nucleosome

Nucleosome

Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

Histone

Definition noun, plural: histones A water-soluble alkaline protein in the nucleus, and from where the DNA tightly coils... Read More

Linker DNA

Definition noun, plural: linker DNAs DNA linking adjacent nucleosome core particles Supplement A linker DNAs is a stretch of... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Organelle

The cell is regarded as the structural, functional, and biological unit of all organisms. It is a membrane-bound structure... Read More

Cell

A biological cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular... Read More

Chromosome

Chromosomes Definition Chromosomes are the thread-like structure present in the nucleus of plant and animal cells.... Read More

Endoplasmic reticulum

Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More

Golgi apparatus

Definition noun Gol·gi ap·pa·rat·us, ˈgɔl dʒi ˌæpəˈreɪtəs (cell biology) An organelle that is comprised of... Read More

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Lysosome

Lysosome Definition noun plural: lysosomes ly·so·some, ˈlaɪsəˌsoʊm (cell biology) Organelle containing a large... Read More

Nucleoid

Definition noun plural: nucleoids nu·cle·oid, ˈnjuːklɪˌɔɪd The portion within a prokaryotic cell where the... Read More

Prophase I

Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More

Gene Regulation in Eukaryotes

Reviewed by: Mary Anne Clark, Ph.D. Eukaryotic Gene Structure In prokaryotes the DNA is located in the... Read More