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The influenza viral genome is composed of eight ribonucleoprotein particles formed by a complex of negative-sense RNA bound to a viral nucleoprotein. Each RNP carries with it an RNA polymerase complex. When the nucleoprotein binds to the viral RNA, it is able to expose the nucleotide bases which allow the viral polymerase to transcribe RNA. At ...
Ribonucleic acid (RNA) is a polymeric molecule that is essential for most biological functions, either by performing the function itself (non-coding RNA) or by forming a template for the production of proteins (messenger RNA). RNA and deoxyribonucleic acid (DNA) are nucleic acids. The nucleic acids constitute one of the four major ...
Magnetoreception. Experiments on European robins, which are migratory, suggest their magnetic sense makes use of the quantum radical pair mechanism. Magnetoreception is a sense which allows an organism to detect the Earth's magnetic field. Animals with this sense include some arthropods, molluscs, and vertebrates (fish, amphibians, reptiles ...
Nucleoid. The nucleoid (meaning nucleus -like) is an irregularly shaped region within the prokaryotic cell that contains all or most of the genetic material. [1][2][3] The chromosome of a typical prokaryote is circular, and its length is very large compared to the cell dimensions, so it needs to be compacted in order to fit.
Ribosomes (/ ˈraɪbəzoʊm, - soʊm /) are macromolecular machines, found within all cells, that perform biological protein synthesis (messenger RNA translation). Ribosomes link amino acids together in the order specified by the codons of messenger RNA molecules to form polypeptide chains. Ribosomes consist of two major components: the small ...
A chromosome is a package of DNA with part or all of the genetic material of an organism. In most chromosomes, the very long thin DNA fibers are coated with nucleosome -forming packaging proteins; in eukaryotic cells the most important of these proteins are the histones. These proteins, aided by chaperone proteins, bind to and condense the DNA ...
Friends and family of Richard Simmons are fighting for control of the fitness guru’s estate, months after he died of injuries from an accidental fall at his home in July.
structure summary. Histone-like nucleoid-structuring protein (H-NS), is one of twelve nucleoid-associated proteins (NAPs) [1] whose main function is the organization of genetic material, including the regulation of gene expression via xenogeneic silencing. [2] H-NS is characterized by an N-terminal domain (NTD) consisting of two dimerization ...