high-molecular weight ribonucleic acid

См. также в других словарях:

• ribonucleic acid — A macromolecule consisting of ribonucleoside residues connected by phosphate from the 3′ hydroxyl of one to the 5′ hydroxyl of the next nucleoside. RNA is found in all cells, in both nuclei and cytoplasm and in particulate and nonparticulate form …   Medical dictionary

• nucleic acid — /njuˌkliɪk ˈæsəd/ (say nyooh.kleeik asuhd), /njuˌkleɪɪk/ (say nyooh.klayik) noun any polynucleotide of high molecular weight, occurring in all living cells and viruses. There are two main types, ribonucleic acid and deoxyribonucleic acid.… …  

• History of molecular biology — The history of molecular biology begins in the 1930s with the convergence of various, previously distinct biological disciplines: biochemistry, genetics, microbiology, and virology. With the hope of understanding life at its most fundamental… …   Wikipedia

• protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …   Universalium

• biochemistry — biochemical /buy oh kem i keuhl/, adj., n. biochemic, adj. biochemically, adv. biochemist, n. /buy oh kem euh stree/, n. 1. the science dealing with the chemistry of living matter. 2. the chemistry of living matter. [1880 85; BIO + CHEMISTRY] …   Universalium

• Biochemistry — For the journal, see Biochemistry (journal). Biological Chemistry redirects here. For the journal formerly named Biological Chemistry Hoppe Seyler, see Biological Chemistry (journal). Biochemistry, sometimes called biological chemistry, is the… …   Wikipedia

• connective tissue disease — Introduction       any of the diseases that affect human connective tissue. Diseases of the connective tissue can be divided into (1) a group of relatively uncommon genetic disorders (genetic disease, human) that affect the primary structure of… …   Universalium

• RNA — Genetics. ribonucleic acid: any of a class of single stranded molecules transcribed from DNA in the cell nucleus or in the mitochondrion or chloroplast, containing along the strand a linear sequence of nucleotide bases that is complementary to… …   Universalium

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

• drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …   Universalium

• Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …   Universalium