uracil fragment
21Panspermia — (Greek: πανσπερμία from πᾶς/πᾶν (pas/pan) all and σπέρμα (sperma) seed ) is the hypothesis that life exists throughout the Universe, distributed by meteoroids, asteroids and planetoids.[1] Panspermia proposes tha …
22Helicase — 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.,… …
23Two-hybrid screening — Overview of two hybrid assay, checking for interactions between two proteins, called here Bait and Prey . A. Gal4 transcription factor gene produces two domain protein ( BD and AD ) which is essential for transcription of the reporter gene ( LacZ …
24Diphtheria toxin — Diphtheria toxin, C domain complex of diphtheria toxin and heparin binding epidermal growth factor Identifiers Symbol Diphtheria C Pfam …
25test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
26Maximum parsimony — Maximum parsimony, often simply referred to as parsimony, is a non parametric statistical method commonly used in computational phylogenetics for estimating phylogenies. Under maximum parsimony, the preferred phylogenetic tree is the tree that… …
27List of genetics-related topics — This is a list of terms related to genetics. NOTOC # * 3 end * 5 end A * Acentric chromosome * Achondroplasia * Active site * Adam s Curse * Adaptation * Adenine * Adenosine * Adenovirus * Adenosine diphosphate (ADP) * Ala * Alagille syndrome *… …
28Murchison meteorite — Murchison A Murchison meteorite specimen at the National Museum of Natural History (Washington) Type Chondrite Class Carbonaceous chondrite …
29Poly ADP ribose polymerase — For the sound, see Parp (onomatopoeic). ADP ribose …
30Homologous recombination — Figure 1. During meiosis, homologous recombination can produce new combinations of genes as shown here between similar but not identical copies of human chromosome 1. Homologous recombination is a type of genetic recombination in which nucleotide …
