Search results
- Dictionarynucleus/ˈnjuːklɪəs/
noun
- 1. the central and most important part of an object, movement, or group, forming the basis for its activity and growth: "the nucleus of a British film-producing industry" Similar
- 2. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
Powered by Oxford Dictionaries
6 days ago · A nucleus, as related to genomics, is the membrane-enclosed organelle within a cell that contains the chromosomes. An array of holes, or pores, in the nuclear membrane allows for the selective passage of certain molecules (such as proteins and nucleic acids) into and out of the nucleus.
Jul 8, 2024 · The nucleus is the central command center of eukaryotic cells, playing a critical role in cellular function and genetics. It is a membrane-bound organelle that houses the cell’s genetic material, or DNA, organized into chromosomes.
Jul 17, 2024 · One major organelle, the nucleus, contains the genetic information necessary for cell growth and reproduction. Each cell contains only one nucleus, whereas other types of organelles are present in multiple copies in the cellular contents, or cytoplasm.
Jul 14, 2024 · Atom - Proton, Neutron, Nucleus: The constitution of the nucleus was poorly understood at the time because the only known particles were the electron and the proton. It had been established that nuclei are typically about twice as heavy as can be accounted for by protons alone.
Jul 16, 2024 · DNA, organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits. The structure of DNA was described in 1953, leading to further understanding of DNA replication and hereditary control of cellular activities.
3 days ago · Nucleic acids are chemical compounds that are found in nature. They carry information in cells and make up genetic material. These acids are very common in all living things, where they create, encode, and store information in every living cell of every life-form on Earth.
Jul 5, 2024 · Nucleus: Central to the eukaryotic cell’s structure is the nucleus, often referred to as the cell’s command center. Enclosed by a double membrane known as the nuclear envelope, the nucleus houses the cell’s DNA, which is organized into chromosomes. This DNA dictates the cell’s functions and characteristics by directing protein synthesis.
