recombination class
21Hypergammaglobulinemia — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD10|D|89|0|d|80, ICD10|D|89|2|d|80 ICD9 = ICD9|289.89 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D006942 Hypergammaglobulinemia is a medical condition… …
22Hydroxyl radical — IUPAC name Hydroxyl radical …
23Huimin Zhao — Infobox Scientist name = Huimin Zhao image size = 170px caption = Huimin Zhao birth date = birth place = death date = death place = residence = U.S. nationality = Chinese American field = Chemical Engineering work institution = University of… …
24nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …
25DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two …
26DNA repair — For the journal, see DNA Repair (journal). DNA damage resulting in multiple broken chromosomes DNA repair refers to a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome. In human… …
27Adaptive immune system — The adaptive immune system is composed of highly specialized, systemic cells and processes that eliminate or prevent pathogenic challenges. Thought to have arisen in the first jawed vertebrates, the adaptive or specific immune system is activated …
28Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
29Major histocompatibility complex — The major histocompatibility complex (MHC) is a large genomic region or gene family found in most vertebrates that encodes MHC molecules. MHC molecules play an important role in the immune system and autoimmunity. Proteins are continually… …
30Helicase — Structure of E. coli helicase RuvA Helicases are a class of enzymes vital to all living organisms. They are motor proteins that move directionally along a nucleic acid phosphodiester backbone, separating two annealed nucleic acid strands (i.e.,… …
