Genetics

Genetics

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Genetics

mitosis

Biology; Genetics

The process of nuclear division in eukaryotes. It is one step in cytokinesis, or cellular division.

multicellular

Biology; Genetics

Any organism which is composed of many cells is termed multicellular.

nanometer

Biology; Genetics

A unit of measure; one millionth (10-9) of a meter.

nuclear membrane

Biology; Genetics

The double membrane which surrounds the eukaryotic nucleus. It has many pores in its surface which regulate the flow of large compounds into and out of the nucleus.

nucleoid

Biology; Genetics

Region in prokaryotes where the DNA is concentrated. Unlike a nucleus, it is not bound by a membrane.

nucleus

Biology; Genetics

Membrane-bound organelle which contains the DNA in the form of chromosomes. It is the site of DNA replication, and the site of RNA synthesis.

organelle

Biology; Genetics

A membrane-bound structure in a eukaryotic cell that partitions the cell into regions which carry out different cellular functions, e.g., mitochondria, endoplasmic reticulum, lysosomes.