. Such a sequence is called the primary structure of the biopolymer. Sugars Sugar based biopolymers ..., 100 dedicated to biopolymers http www.biopolymer.net Biopolymer group http biopol.free.fr Bio Polym ... nl Biopolymeer ja no Biopolymer pl Biopolimery pt Biopol mero ru fi Biopolymeeri ... more details
Unreferenced stub auto yes date December 2009 An exopolymer is a biopolymer that is secreted by an organism into the environment i.e. external to the organism . These exopolymers include the biofilm s produced by bacteria to anchor them and protect them from environmental conditions. Category Biomolecules Category Polymers Biochem stub ... more details
orphan date November 2008 Algaenan is the resistant biopolymer in the cell wall s of unrelated groups of green algae , ref Cite doi 10.1016 j.orggeochem.2009.05.003 ref and facilitates their preservation in the Fossil fossil record . ref name Briggs1999 cite doi 10.1098 rstb.1999.0356 ref References reflist Category Biomaterials alga stub ... more details
Advert date December 2007 Ingeo is the trademark name for NatureWorks LLC s synthetic fiber made from corn . The process to create Ingeo makes use of the carbon naturally stored in plants by photosynthesis . Plant starches are broken down into sugars. The carbon and other chemical element elements in these natural sugars are then used to make a biopolymer through a process of simple industrial fermentation fermentation and separation. The resulting resin, called Ingeo biopolymer polylactide polyactid PLA , can then be injection molded into plastics goods, extruded for film applications, thermoformed into packaging, or extruded for use in textiles applications. PLA is more resistant to ultraviolet light than most other synthetics. It has relatively low flammability and smoke generation. Because it is more hydrophilic than common polyester fibers, when blended with cotton and wool , the biopolymer results in lighter garments that wick moisture away from the skin. The biopolymer is also used in Packaging and labeling packaging manufacturing. Applications can be clear, opaque, flexible, or rigid. The biopolymer is similar to polystyrene , and exhibits tensile strength and modulus comparable to hydrocarbon based thermoplastic s. Much like polyester, it resists grease and oil, and offers flavor and odor barrier. Ingeo provides heat sealability at temperatures equivalent to polyolefin sealant resins. ref From corn to plastics. NatureWorks http www.natureworksllc.com media files from 20corn 20to 20plastic corn 20to 20plastics 20poster 02 2013 2006 final.pdf ref Distribution NatureWorks LLC has a pending partnership with Europe s Resinex Group for distribution of its Ingeo biopolymer . ref http www.bioplastics24.com content view 1323 2 lang,en ref See also Bioplastics Biodegradable plastic References Reflist Fibers Category Synthetic fibers ... more details
Unreferenced stub auto yes date December 2009 A sequence in biology is the one dimensional ordering of monomer s, covalent bond covalently linked within in a biopolymer it is also referred to as the primary structure of the biological macromolecule . See also Protein sequence DNA sequence Self incompatibility in plants List of geneticists Human Genome Project Dot plot bioinformatics Multiplex Ligation dependent Probe Amplification Sequence analysis DEFAULTSORT Sequence Biology Category Molecular biology Biology stub fa fr S quence biologique ... more details
wiktionary sequence A sequence is a logically ordered set of elements. Sequence may also refer to Sequence poetry , a medieval Latin poem or its musical setting which became part of the Mass Sequence music , a passage which is successively repeated at different pitches Sequence 1980 short film , 16 minute film directed by David Winning Sequence filming , a series of shots or scenes, edited together in succession Sequence journal Sequence journal , a film journal Sequence game Sequence game , a board and card game distributed by Jax Ltd., Inc. Sequence geology , a succession of geological events Sequence biology , the primary structure of a biopolymer Primary sequence , the sequence of a biological macromolecule Sequencing , determining the primary structure of an unbranched biopolymer DNA sequencing , determining the order of the nucleotide bases in a DNA molecule Sequence medicine S quences , a Quebec film magazine The Sequence , a 1980s all female hip hop funk trio Archaeological sequence Sequence diagram Sequence Diagram , a kind of UML diagram See also Sequencer disambiguation disambig an Seq encia bs Niz vor de Sequenz es Secuencia fr S quence pt Sequ ncia ru uk ... more details
The Kavli Institute of Nanoscience Delft was established in 2004 at the Department of NanoScience, Faculty of Applied Sciences, Delft University of Technology through a grant by the US based Kavli foundation. The Kavli Institute of Nanoscience at Delft University of Technology consists of seven research groups and a nanofabrication cleanroom facility. With a staff of 25 professors and over 80 PhD and postdoctoral students, the Institute studies new physics and exploits novel principles in nanostructured devices with a new functionality. The nanostructures vary from superconductor s to biopolymer s and are obtained from nature or fabricated with bottom up methods starting with atoms or molecules or top down techniques such as electron beam lithography . External links http www.ns.tudelft.nl Homepage of the Kavli Institute of Nanoscience at Delft http www.kavlifoundation.org Homepage of the Kavli Foundation coord missing Netherlands Category Research institutes in the Netherlands Category Nanotechnology institutions Category Delft University of Technology Netherlands stub ... more details
The Vroman effect , named after Leo Vroman , is exhibited by protein adsorption to a surface by blood plasma blood serum proteins. The highest mobility proteins arrive first and are later replaced by less motile proteins that have a higher affinity for the surface. A typical example of this occurs when fibrin adheres to a biopolymer surface and is later replaced by other proteins. This results in a depletion overall of blood serum levels of fibrinogen . References Cite journal last Vroman first L. date November 3, 1962 title Effect of Adsorbed Proteins on the Wettability of Hydrophilic and Hydrophobic Solids journal Nature issue 196 pages 476 477 doi 10.1038 196476a0 url http www.nature.com nature journal v196 n4853 pdf 196476a0.pdf format PDF volume 196 Molecular cell biology stub Category Surface chemistry Category Blood de Vroman Effekt nl Vroman effect ... more details
Orphan date January 2011 Infobox Journal title Journal of Biomolecular NMR cover File Journal of Biomolecular NMR.jpg discipline NMR spectroscopy Nuclear magnetic resonance spectroscopy abbreviation publisher Springer Science Business Media country frequency Monthly history 1991 present openaccess impact 2.659 impact year 2009 website http www.springer.com journal 10858 about link1 http www.springerlink.com content 0925 2738 link1 name Online access ISSN 0925 2738 eISSN 1573 5001 The Journal of Biomolecular NMR publishes research on technical developments and innovative applications of NMR spectroscopy nuclear magnetic resonance spectroscopy for the study of structure and dynamic properties of biopolymer s in solution, liquid crystals, solids and mixed environments. Category Biology journals Category Physics journals Category Springer academic journals Category English language journals Category Publications established in 1991 Category Monthly journals sci journal stub fr Journal of Biomolecular NMR ... more details
Notability date May 2009 BioSteel is a trademark name for a high strength based fiber material made of the recombinant spider silk like protein extracted from the milk of transgenic goat s, made by Nexia Biotechnologies . The company has successfully generated distinct lines of goats that produce in their milk recombinant versions of either the MaSpI or MaSpII dragline silk proteins. ref Biopolymer, Volume 8 Polyamides and Complex Proteinaceous Materials II, edited by S.R. Fahnestock & A. Steinbuchel, 2003 Wiley VCH Verlag, pages 97 117 ref When the female goats lactate, the milk, containing the recombinant silk, is harvested and subjected to traditional chromatographic techniques in order to purify the corresponding recombinant silk proteins to homogeneity. The purified silk proteins are then dried, dissolved using appropriate solvents DOPE formation and transformed into microfibers using wet spinning fiber production methodologies. The spun fibers so far have tenacities in the range of 2 3 grams denier and elongation range of 25 45 . Furthermore, the Biosteel biopolymer has been transformed into nanofibers and nano meshes using the electrospinning technique. ref Thesis Submitted to the Faculty of Drexel University by Milind Ramesh Gandhi, December 2006, CHAPTER 7 ref Biosteel and other biopolymers are being researched to provide lightweight, strong, and versatile materials for a variety of medical and industrial applications. ref BBC News. GM goat spins web based future . 2000. http news.bbc.co.uk 2 hi science nature 889951.stm ref Nexia Biotechnologies plans to use the spider silk from the milk of transgenic goats for bullet proof vests and anti ballistic missile systems. References reflist External links http www.nexiabiotech.com Nexia http www.sciencemag.org cgi content abstract sci 295 5554 472?maxtoshow &HITS 10&hits 10&RESULTFORMAT &fulltext lazaris&searchid 1&FIRSTINDEX 0&resourcetype HWCIT ScienceMag.org Category Biotechnology products Category Genetically ... more details
BLP sources date March 2011 Basil D. Favis is an international leader in polymer biopolymer research. He is currently a full professor in the http www.polymtl.ca crepec en bottin details.php?fiche 17 Center for Applied Research on Polymers and Composites CREPEC , Department of Chemical Engineering, Ecole Polytechnique de Montreal. Favis is the author or co author of more than 170 scientific papers and is one of the most highly cited authors in the polymer biopolymer blends field. In 1995 Basil D. Favis was the recipient of the Syncrude Canada Innovation Award of the Canadian Society for Chemical Engineering. He is the past chairman of the Macromolecular Science and Engineering Division of the Chemical Institute of Canada, a Fellow of the Chemical Institute of Canada, a Fellow of the Society of Plastics Engineers,a member of the Quebec Order of Engineers and in 1997 1998 was the Invited Professor at the University of Strasbourg in France. Favis received his Ph.D. in Polymer Physical Chemistry from McGill University in Montr al, Quebec, Canada. After a period in industry as a group leader with Johnson and Johnson Inc., he worked as program manager for polymer blends with the Industrial Materials Institute of the National Research Council of Canada. Since 1990 he has been a professor in the Department of Chemical Engineering at the Ecole Polytechnique de Montr al. Canada scientist stub Category Living people Category McGill University alumni Persondata Metadata see Wikipedia Persondata . NAME ALTERNATIVE NAMES SHORT DESCRIPTION DATE OF BIRTH PLACE OF BIRTH DATE OF DEATH PLACE OF DEATH ... more details
, described by F sub W sub F sub E sub 0 Those effects influence the electrofiltration of biopolymer ... is effective for the concentration of charged biopolymer s. Very promising results concerning purification ... more details
File Pyridine.svg thumb right 100 px Pyridine is a heterocyclic compound and the heteroatom is nitrogen. In organic chemistry , a heteroatom from Ancient Greek heteros , different, atomos is any atom that is not carbon or hydrogen . Usually, the term is used to indicate that non carbon atoms have replaced carbon in the backbone of the molecular structure. Typical heteroatoms are nitrogen , oxygen , sulfur , phosphorus , boron , chlorine , bromine , and iodine . In the description of protein structure, in particular in the Protein Data Bank file format Protein Data Bank file format, a heteroatom record HETATM describes an atom as belonging to a small molecule cofactor rather than to part of a biopolymer chain. External links wictionary Organic chem stub Category Organic chemistry ar ca Hetero tom da Heteroatom de Heteroatom et Heteroaatom es Hetero tomo fr H t roatome hu Heteroatom nl Heteroatoom no Heteroatom pl Heteroatom pt Hetero tomo sv Heteroatom zh ... more details
italic title Taxobox name Alcaligenes image Alcaligenes faecalis PHIL stained.jpg image width 240px image caption Alcaligenes faecalis . Flagella stain. regnum Bacteria phylum Proteobacteria classis Beta Proteobacteria ordo Burkholderiales familia Alcaligenaceae genus Alcaligenes genus authority Castellani & Chalmers 1919 subdivision ranks Species subdivision Alcaligenes aquatilis A. aquatilis br Alcaligenes eutrophus A. eutrophus br Alcaligenes faecalis A. faecalis br Alcaligenes latus A. latus br Alcaligenes xylosoxidans A. xylosoxidans br etc. Alcaligenes is a genus of Gram negative , Aerobic organism aerobic , rod shaped bacteria. The species are motile with one or more peritrichous flagella . Alcaligenes species have been used for the industrial production of Amino acid Non standard amino acids non standard amino acids A. eutrophus also produces the biopolymer polyhydroxybutyrate PHB . References cite book author Madigan M Martinko J editors . title Brock Biology of Microorganisms edition 11th ed. publisher Prentice Hall year 2005 isbn 0 13 144329 1 External links http microbewiki.kenyon.edu index.php Alcaligenes Alcaligenes at Kenyon College. Category Burkholderiales Proteobacteria stub de Alcaligenes es Alcaligenes it Alcaligenes pt Alcaligenes tr Alcaligenes uk Alcaligenes ... more details
NatureWorks LLC is a subsidiary of Cargill . NatureWorks produces a family of polymers derived entirely from annually renewable resources namely plants bioplastics designed to compete with petroleum based plastic packaging material s, consumer goods and fiber products. The commercial quality polymer is made from the carbon found in simple plant sugars to create a proprietary polylactic acid polymer PLA which is marketed under the brand name Ingeo . ref http www.epa.gov gcc pubs pgcc winners grca02.html 2002 Greener Reaction Conditions Award ref In 2001, NatureWorks LLC opened its manufacturing facility in Blair, Nebraska , USA. This is the first and largest PLA facility in the world and supplies NatureWorks biopolymer to markets across the globe. NatureWorks LLC offices are located in Minneapolis, the Netherlands and Japan. Recycling In the UK, their Ingeo PLA product is sometimes labelled NatureWorks PLA . Recycling details for this can be found under Polylactic acid PLA Recycling PLA Recycling . References references External links http www.natureworksllc.com NatureWorks LLC official website http www.bioplastics24.com content view 1351 2 lang,en Natureworks puts business case for bioplastics . Category Companies based in Minnesota ... more details
Multiple issues wikify December 2010 orphan February 2009 COI February 2008 In proteomics , GPM stands for Global Proteome Machine . It is a web based, open source user interface for analyzing and displaying protein identification data. It was originally designed by Rob Craig and Ron Beavis. ref R. Craig, J.P. Cortens and R.C. Beavis, Open source system for analyzing, validating, and storing protein identification data, J. Proteome Res. 2004 Nov Dec 3 6 1234 42. http www.ncbi.nlm.nih.gov pubmed 15595733?dopt Abstract ref The interface creates a series of web browser page views of tandem mass spectrometry data that has been assigned to protein sequences. The underlying data documents are stored in BIOML ref D. Fenyo, The Biopolymer Markup Language, Bioinformatics. 1999 Apr 15 4 339 40 http www.ncbi.nlm.nih.gov pubmed 10320402?dopt Abstract ref format files. References Reflist External links http www.thegpm.org index.html GPM project website DEFAULTSORT Gpm Proteomics Category Proteomics ... more details
Unreferenced date September 2009 orphan date September 2009 The Engelhardt Institute of Molecular Biology EIMB is a research institute located in Moscow , Russia . The Institute is included in the Branch of Biological Sciences of the Russian Academy of Sciences and has the status of a State non commercial organization. History The institute was founded on April 26, 1957 by Vladimir Alexandrovich Engelhardt 1894 1984 . Until 1965 it was called the Institute of Radiation and Physicochemical Biology of the Russian Academy of Sciences. On May 12, 1988 the institute was named after V. A. Engelhardt. Directors 1957 1984 &mdash V. A. Engelhardt 1984 2003 &mdash A. D. Mirzabekov 2003 &mdash Alexander Alexandrovich Makarov. Scientific activities molecular and cell engineering bioengineering oncogenomics, oncodiagnostics, oncoprognosis, oncovirology mobile and repeating genetic elements and their evolution molecular immunology biopolymer structure and molecular dynamics the design of new biologically active compounds genetic enzymology signal transfer at molecular and cellular level plant genomics genomic and proteomic bioinformatics The development of fundamental principles of new molecular and cellular technologies and bionanotechnologies. External links http www.eimb.ru EIMB web site Category Molecular biology institutes ru . . . ... more details
Chembox ImageFile levan.png ImageSize 200px IUPACName Levan OtherNames Polyfructose Section1 Chembox Identifiers CASNo 9013 95 0 PubChem 440946 SMILES Section2 Chembox Properties Formula MolarMass Appearance Density MeltingPt BoilingPt Solubility Section3 Chembox Hazards MainHazards FlashPt Autoignition Levan , a homo polysaccharide which is composed of D fructofuranosyl residues joined by 2,6 with multiple branches by 2,1 linkages has great potential as a functional biopolymer in foods, feeds, cosmetics, and the pharmaceutical and chemical industries. Levan can be used as food or a feed additive with prebiotic and hypocholesterolemic effects. Levan is also shown to exert excellent cell proliferating, skin moisturizing, and skin irritation alleviating effects as a blending component in cosmetics. Levan derivatives such as sulfated, phosphated, or acetylated levans are asserted to be anti AIDS agents. In addition, levan is used as a coating material in a drug delivery formulation. Levan also has a number of industrial applications such as a surfactant for household use due to its excellent surface active properties, a glycol levan aqueous two phase system for the partitioning of proteins, etc. However, there are some limitations for the industrial applications of levan due to its weak chemical stability in solution and the complex process required to purify levan. Once the limitations are solved, the market for levan will gradually increase in the various fields. ref name 6kang cite book author Kang et al. year 2009 chapter Levan Applications and Perspectives title Microbial Production of Biopolymers and Polymer Precursors publisher Caister Academic Press id ISBN 978 1 904455 36 3 ref Levan is a biopolymer that is naturally produced by microorganism s. In recent years, microorganisms have been genetic manipulated for the biotechnological production of biopolymers with tailored properties suitable for high value medical application such as tissue engineering and drug ... more details
for characterization of biopolymer film using proton behavior determined by low field 1H NMR. ref Y T. Kim, Y S. Hong, R. M. Kimmel, J H Rho, C H. Lee New Approach for characterization of biopolymer film ... more details
Image Taq polimerase.png thumb Structure of taq dna polymerase A polymerase EC 2.7.7.6 7 19 48 49 is an enzyme whose central function is associated with polymer s of nucleic acid s such as RNA and DNA . The primary function of a polymerase is the polymerization of new DNA or RNA against an existing DNA or RNA template in the processes of DNA replication replication and Transcription genetics transcription . In association with a cluster of other enzymes and proteins, they take nucleotide s from solvent, and catalyse the synthesis of a polynucleotide sequence against a nucleotide template strand using base pairing interactions. It is an accident of history that the enzymes responsible for the catalytic production of other biopolymer s are not also referred to as polymerases. One particular polymerase, from the thermophile thermophilic bacteria bacterium , Thermus aquaticus Taq Protein data bank PDB http www.rcsb.org pdb cgi explore.cgi?pid 288631034363198&pdbId 1BGX 1BGX , EC 2.7.7.7 is of vital commercial importance due to its use in the polymerase chain reaction , a widely used technique of molecular biology . Other well known polymerases include Terminal Deoxynucleotidyl Transferase TDT , which lends diversity to antibody heavy chains Reverse Transcriptase , an enzyme used by RNA retrovirus es like HIV , which is used to create a complementary strand to the preexisting strand of viral RNA before it can be integrated into the DNA of the host biology host cell biology cell . It is also a major target for antiviral drugs. See also DNA polymerase DNA polymerase I DNA polymerase II DNA polymerase III holoenzyme DNA Polymerase IV DinB SOS response SOS repair polymerase RNA polymerase RNA polymerase I RNA polymerase II RNA polymerase III T7 RNA polymerase Phosphotransferases DNA replication Category EC 2.7.7 Category Enzymes ca Polimerasa da Polymerase de Polymerase es Polimerasa fr Polym rase it Polimerasi pl Polimerazy pt Polimerase tr Polimeraz uk ... more details
The life sciences comprise all fields of science that involve the scientific study of living organism s, like plant s, animal s, and human being s. However, the study of behaviour of organisms, such as practised in ethology and psychology , is only included in as much as it involves a clearly biological aspect. While biology and medicine remain centerpieces of the life sciences, Technology technological advances in molecular biology and biotechnology have led to a burgeoning of specializations and new, often interdisciplinary , fields. The following is an incomplete list of life science fields, as well as topics of study in the life sciences, in which several entries coincide with, are included in, or overlap with other entries columns list 3 Agrotechnology Bio engineering Biomedical science Biochemistry Biocomputing Biocontrol Biodynamics Bioinformatics Biology Biomaterials Biomechanics Biomedical sciences Biomolecular engineering Biomonitoring Biophysics Biopolymer s Biotechnology Botany Cell biology Cognitive neuroscience Computational neuroscience Developmental biology Ecology Environmental science Evolutionary biology Evolutionary genetics Food science Genetics Genomics Health sciences Immunogenetics Immunology Immunotherapy Medical devices Medical imaging Medicine Microbiology Molecular biology Nanotechnology Neuroinformatics Neuroscience Oncology Optometry Personalized medicine Pharmacogenomics Pharmacology Physiology Plant sciences Proteomics Sports science Structural biology Systems biology Tissue engineering Zoology See also List of biology disciplines List of health sciences topics Natural sciences footer Category Life Category Science related lists ar de Biowissenschaften ko he ja ... more details
Unreferenced stub auto yes date December 2009 Mergeto biotic material date July 2008 A bio based material is simply an engineering material made from substances derived from living matter. These materials are sometimes referred to as biomaterial s, but this word also has another meaning. Strictly the definition could include many common materials such as wood and leather , but it typically refers to modern materials that have undergone more extensive processing. Unprocessed materials may be called biotic material . Bio based materials or biomaterials fall under the broader category of bioproducts or bio based products which includes materials, chemicals and energy derived from renewable biological resources. Bio based materials are often biodegradable , but this is not always the case. Examples include cellulose fiber s Fibers made from reconstituted cellulose. casein A phosphoprotein extracted from milk during the process of creating low fat milk, it is processed in various ways to make plastic , dietary supplements for body builders, glue, cotton candy , protective coatings, paints, and occurs naturally in cheese, giving it a creamy texture. polylactic acid A polymer produced by industrial fermentation bioplastic s including a soy Vegetable oil oil based plastic now being used to make body panels for John Deere tractor s engineered wood products such as oriented strand board and particle board zein a natural biopolymer which is the most abundant corn protein cornstarch the starch of the maize grain, used to make packing pellets grease lubricants made from vegetable oils, including soybean oil, that can replace petroleum based lubricants DEFAULTSORT Bio Based Material Category Materials Category Green chemistry Category Materials stubs Material stub ... more details
DISPLAYTITLE N Acetylmuramic acid chembox Name N Acetylmuramic acid ImageFile N Acetylmuramic acid.svg ImageSize 200 px IUPACName OtherNames Section1 Chembox Identifiers CASNo 10597 89 4 PubChem SMILES Section2 Chembox Properties Formula C sub 11 sub H sub 19 sub NO sub 8 sub MolarMass Appearance Density MeltingPt BoilingPt Solubility Section3 Chembox Hazards MainHazards FlashPt Autoignition N Acetylmuramic acid , or MurNAc , is the ether of lactic acid and N Acetylglucosamine N acetylglucosamine with a chemical formula of Carbon C sub 11 sub Hydrogen H sub 19 sub Nitrogen N Oxygen O sub 8 sub . It is part of a biopolymer in the bacterial cell wall, built from alternating units of N acetylglucosamine GlcNAc and N acetylmuramic acid MurNAc , cross linked with oligopeptides at the lactic acid residue of MurNAc. This layered structure is called peptidoglycan . MurNAc is a monosaccharide derivative of N acetylglucosamine . Clinical significance Unlike most bacterial cell walls, Chlamydia bacterium Chlamydial cell wall lacks muramic acid . For this reason penicillin is not very effective in treating chlamydial infection. Protein synthesis blocker s like doxycycline or azithromycin are used instead. Synthesis is inhibited by fosfomycin . ref name pmid11481290 cite journal author Grif K, Dierich MP, Pfaller K, Miglioli PA, Allerberger F title In vitro activity of fosfomycin in combination with various antistaphylococcal substances journal The Journal of antimicrobial chemotherapy volume 48 issue 2 pages 209 17 year 2001 month August pmid 11481290 doi 10.1093 jac 48.2.209 url http jac.oxfordjournals.org cgi pmidlookup?view long&pmid 11481290 ref References reflist See also Amino sugar Glucosamine Bacteria DEFAULTSORT Acetylmuramic acid, N Category Amino sugars Category Monosaccharide derivatives Category Monosaccharides Category Membrane biology cs Kyselina muramov es cido N acetilmur mico ja N pl Kwas N acetylomuraminowy sl N acetilmuraminska kislina zh N ... more details
A polynucleotide molecule is a biopolymer composed of 13 or more ref MeshName Polynucleotides ref nucleotide monomer s covalently bonded in a chain. DNA deoxyribonucleic acid and RNA ribonucleic acid are examples of polynucleotides with distinct biological function. The prefix poly comes from the ancient Greek polys, many . DNA consists of two chains of polynucleotides, with each chain in the form of a helical spiral. Sequence Although DNA and RNA do not generally occur in the same polynucleotide, the four species of nucleotides may occur in any order in the chain. The sequence of DNA or RNA species for a given polynucleotide is the main factor determining its function in a living organism or a scientific experiment . Polynucleotides in organisms Polynucleotides occur naturally in all living organisms. The genome of an organism consists of complementary pairs of enormously long polynucleotides wound around each other in the form of a double helix . Polynucleotides have a variety of other roles in organisms. Polynucleotides in scientific experiments Polynucleotides are used in biochemical experiments such as PCR polymerase chain reaction PCR or DNA sequencing. Polynucleotides are made artificially from oligonucleotide s, smaller nucleotide chains with generally fewer than 30 subunits. A polymerase enzyme is used to extend the chain by adding nucleotides according to a pattern specified by the scientist. References Reflist Nucleobases, nucleosides, and nucleotides Category Genetics Category Organic polymers Category Nucleotides ca Polinucle tid de Polynukleotid es Polinucle tido lt Polinukleotidai mk pt Polinucle tido sk Polynukleotid tr Polin kleotit ... more details
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