Encyclopedia results for genealogical DNA test

26. C-DNA
    C DNA also known as C form DNA . It is one of the many possible double helical structures of DNA . This form of DNA could be observed at some conditions that relatively low humidity and with certain ions ..
    
    
    
27. DNA polymerase
    image DNA polymerase.png thumb 3D structure of the DNA binding helix hairpin helix motifs in human DNA polymerase beta A DNA polymerase is an enzyme that assists in DNA replication . Such enzymes catalyze ..
    
    
    
28. DNA Oy
    DNA Oy is a Finnish on telecommunications company. It was born in 2007 after a merger. DNA offers cellular phone services, ADSL , cable television and regular telephone service. DNA was originally founded ..
    
    
    
29. DNA topology
    DNA topology is the focus of an interdiscipline between molecular biology and mathematics and as a term refers to DNA supercoiling , knotting and catenation . More simply put, DNA topology studies the shape ..
    
    
    
30. Extrachromosomal DNA
    Extrachromosomal DNA sometimes called extranuclear DNA or nonchromosomal DNA is DNA located or maintained in a cell biology cell apart from the chromosomes . In many cases, extrachromosomal DNA is contained ..
    
    
    
31. DNA electrophoresis
    Image DNA Agarose Gel Electrophor.jpg 200px thumb right Digital printout of an agarose gel electrophoresis of cat insert plasmid DNA Image Electropherogram trace.jpg thumb 200px DNA electropherogram trace ..
    
    
    
32. DNA analyzer
    DNA analyzer is a device to determine a person s DNA . While Genetic fingerprinting DNA analyzing usually done in a laboratory, as of 2007 NEC has built a portable DNA analyzer which able to produce the result ..
    
    
    
33. DNA ligase
    Unreferenced date February 2007 protein Name ligase I, DNA, ATP dependent caption DNA ligase repairing chromosomal damage. image DNA Repair.jpg width 200 HGNCid 6598 Symbol LIG1 AltSymbols EntrezGene 3978 ..
    
    
    
34. DNA extraction
    DNA extraction is a routine procedure to collect DNA for subsequent molecular biology molecular or forensics forensic analysis. Outline of a DNA extraction for the various methods Nucleic acid methods ..
    
    
    
35. DNA clamp
    Image 1axc tricolor.png thumb 300px The assembled human DNA clamp, a trimer biochemistry trimer of the protein PCNA . A DNA clamp , also known as a sliding clamp , is a protein tertiary structure fold ..
    
    
    
36. National Genealogical Society
    The National Genealogical Society was founded in 1903 in Washington, D.C. . Its current headquarters are in Arlington, Virginia . It is the publisher of the National Genealogical Society Quarterly, and the NGS ..
    
    
    
37. Naked DNA
    Naked DNA is histone free DNA that is passed from cell to cell during a gene transfer process called transformation genetics transformation or transfection . In transformation , purified or naked DNA is taken ..
    
    
    
38. Circular DNA
    Circular DNA is a form of DNA that is found in bacteria and archaea as well as in eukaryote eukaryotic cells in the form of mitochondrial DNA . While the individual strands of a linear double helix represent ..
    
    
    
39. DNA adduct
    A DNA adduct is a piece of DNA covalent ly bonded to a cancer causing chemical. This has shown to be the start of a cancerous cell, or carcinogenesis . DNA adducts in scientific experiments are used as bio ..
    
    
    
40. DNA origami
    Nanoscale folding of DNA , also known as DNA origami , is a process which allows researchers to create arbitrary two dimensional shapes at the nanoscale using DNA . Novel designs have included the smiley ..
    
    
    
41. Satellite DNA
    Satellite DNA consists of highly repetitive DNA , and is so called because repetitions of a short DNA ... , and thus have a different density from bulk DNA such that they form a second or satellite ..
    
    
    
42. DNA day
    unreferenced date May 2008 HolidayInfo holiday name DNA Day significance The day celebrates the discovery and understanding of DNA and the scientific advances that understanding has made possible. observedby ..
    
    
    
43. Noncoding DNA
    In genetics , non coding DNA describes DNA which does not contain genetic code instructions for making ... organisms total genome size s is comprised of noncoding DNA a puzzle known as the C value enigma ..
    
    
    
44. DNA gyrase
    Image Gyrase Model.jpg right thumb 350px The current mechanochemical model of Gyrase activity. DNA gyrase ... negative supercoil s or relaxes positive supercoils into DNA by looping the template so as to form ..
    
    
    
45. DNA machine
    A DNA machine is a molecular machine constructed from DNA . Research into DNA machines was pioneered in the late 1980s by Nadrian Seeman and co workers from New York University . DNA is used because of the numerous ..
    
    
    
46. Z-DNA
    Image Z DNA orbit animated small.gif right frame The Z DNA structure. Z DNA is one of the many possible double helical structures of DNA . It is a left handed double helical structure in which the double ..
    
    
    
47. DNA glycosylase
    DNA glycosylases are a family of enzyme s involved in base excision repair , classified under EC number EC 3.2.2. Base excision repair is the mechanism by which nucleotide residues in DNA with chemically ..
    
    
    
48. DNA sequencing
    The term DNA sequencing encompasses biochemistry biochemical methods for determining the order of the nucleotide bases, adenine , guanine , cytosine , and thymine , in a DNA oligonucleotide . The sequence ..
    
    
    
49. DNA supercoil
    Image Circular DNA Supercoiling.png thumb right Supercoiled structure of circular DNA molecules with low writhe. Note that the helical nature of the DNA duplex is omitted for clarity. Image Linear DNA ..
    
    
    
50. DNA end
    DNA end or sticky end refers to the properties of the end of a molecule of DNA . The concept is important in molecular biology , especially in Clone genetics cloning or when subcloning insert DNA into vector ..