Table of Contents
Introduction
The nuclear membrane is a double-layered phospholipid bilayer that separates the contents of the nucleus from the cytoplasm. The nuclear membrane is studded with nuclear pores, which allow molecules to diffuse in and out of the nucleus. Detailed Difference Between Nucleus and Nucleoid.
DNA contains the genetic information that determines the characteristics of an organism.
Detailed Difference Between Nucleus and Nucleoid
- The nucleoid is a region in the cytoplasm that contains the chromosomes. The nucleus and nucleoid have different functions in the cell.
- The nucleus is responsible for the replication of DNA, the transcription of DNA into RNA, and the translation of RNA into proteins. The nucleoid is not responsible for DNA replication, transcription, or translation. The nucleoid contains the chromosomes, which are responsible for the genetic information in the cell.
- The nuclear envelope is responsible for the segregation of the chromosomes during cell division.
- The nucleus is located in the center of the cell. The nucleoid is located in the cytoplasm.
- The nucleus is a small organelle. The nucleoid is a large region in the cytoplasm.
- The nucleus is important for the function of the cell. The nucleoid is not as important for the function of the cell.
Nucleus
A nucleus is the central part of an atom, consisting of protons and neutrons, which is held together by the strong nuclear force. The number of protons in a nucleus determines the element, and the number of neutrons determines the isotope of the element. The electrons orbit the nucleus in shells. The cell nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel or seed) is a membrane-bound organelle found in eukaryotic cells.
Eukaryotic cells usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others including osteoclasts have many. The main structures making up the nucleus are the nuclear envelope, a double membrane that encloses the entire organelle and isolates its contents from the cellular cytoplasm; and the nuclear matrix (which includes the nuclear lamina), a network within the nucleus that adds mechanical support, much like the cytoskeleton supports the cell as a whole.
Nucleoid
A nucleoid is a dense, spherical region within the cytoplasm of a prokaryotic cell that contains the bacterial DNA.
