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Section of a polymer whose repetition would reproduce the polymer chain
A repeat unit or repeating unit , or mer, is a part of a polymer whose repetition would produce the complete polymer chain (except for the end groups)
Repeat_unit
Substance composed of macromolecules with repeating structural units
simple example is polyethylene ('polythene' in British English), whose repeat unit or monomer is ethylene. Many other structures do exist; for example,
Polymer
Polysaccharide gum used as a food additive and thickener
building the pentasaccharide repeat unit. This links the synthesis of xanthan to carbohydrate metabolism. The repeat units are built up at undecaprenylphosphate
Xanthan_gum
Repeating sequences of 2–13 base pairs of DNA
slippage results in a change of just one repeat unit, and slippage rates vary for different allele lengths and repeat unit sizes, and within different species
Microsatellite
Building block of a polymer chain
polymerized into a long chain. There may be more than one structural unit in the repeat unit. When different monomers are polymerized, a copolymer is formed
Structural_unit
Category of polymers, in which the monomers are joined together by ester links
category of polymers that contain one or two ester linkages in every repeat unit of their main chain. As a specific material, it most commonly refers
Polyester
Repetitive DNA with distinct base composition
observed between microsatellite alleles are generally multiples of the repeat unit length. Satellite DNA adopts higher-order three-dimensional structures
Satellite_DNA
Number of monomeric units in a macromolecule or polymer
number of monomeric units. Some authors, however, define DP as the number of repeat units, where for copolymers the repeat unit may not be identical
Degree_of_polymerization
Protein family
These tandem repeats commonly fold together to form a solenoid protein domain, termed leucine-rich repeat domain. Typically, each repeat unit has beta strand-turn-alpha
Leucine-rich_repeat
Polymer derived from more than one species of monomer
comprising many units, that has at least one feature which is not present in the adjacent portions. A possible sequence of repeat units A and B in a triblock
Copolymer
Family of DNA sequences found in prokaryotic organisms
molecules subsequently processed into unit-length small RNAs, plus some longer forms of 2, 3, or more spacer-repeat units. In 2005, Barrangou discovered that
CRISPR
Single chain manganese inosilicate (MnSiO3)
oxide. The inosilicate (chain silicate) structure of rhodonite has a repeat unit of five silica tetrahedra. The rare polymorph pyroxmangite, formed at
Rhodonite
Adjacent repeated pattern of nucleotides within DNA
repeats. When much larger lengths of nucleotides are repeated, on the order of 1,000 nucleotides, it is called a macrosatellite. When the repeat unit
Tandem_repeat
Semi-crystalline high-temperature plastic in the Nylon family
Polyphthalamide TPA/hexamethylenediamine (6T) repeat unit Polyphthalamide TPA/methylpentanediamine (DT) repeat unit If more than 55% of the acid part of a PPA
Polyphthalamide
Biological DNA analysis for allele repeats
samples. A short tandem repeat is a microsatellite with repeat units that are 2 to 7 base pairs in length, with the number of repeats varying among individuals
STR_analysis
Copolymers found in some bacteria
have identified a few more enzymes that attach unique sugars to the WTA repeat units. A set of enzymes and transporters named DltABCE that adds alanines to
Teichoic_acid
Nucleotide duplications created by DNA polymerase during DNA replication
one or more units. In long repeats, expansions may involve two or more units. For example, insertion of a single repeat unit in GAGAGA expands the sequence
Slipped_strand_mispairing
Topics referred to by the same term
a team in the Philippine Basketball Association Mer, a synonym for repeat unit in chemistry Mer, a type of geometric isomer of octahedral complexes
Mer
Copolymer
of the two PEG blocks is 101 repeat units, while the approximate length of the propylene glycol block is 56 repeat units. This particular compound is
Poloxamer_407
Chemical compound
fishing rods, tennis rackets and bicycle frames. It is a component repeat unit in several important copolymers, such as styrene-acrylonitrile (SAN)
Polyacrylonitrile
sheet-like monomolecular macromolecule consisting of laterally connected repeat units with end groups along all edges. This recent definition of 2DP is based
Two-dimensional_polymer
Chemical compound
batch process. Also, the chlorine on the phenyl ring of the parylene C repeat unit is problematic for RoHS compliance, especially for the printed circuit
Parylene
Polymer resin widely used in packaging
polybutadiene. S represents in the figure the styrene repeat unit B the butadiene repeat unit. However, the middle block often does not consist of such
Polystyrene
Patterns of nucleic acids that occur in multiple copies throughout the genome
Repeated sequences (also known as repetitive elements, repeating units or repeats) are short or long patterns that occur in multiple copies throughout
Repeated_sequence_(DNA)
Sulfated glycosaminoglycan (GAG) compound
response in many fishes, similar to hypoxanthine-3N-oxide. The basic repeat unit synthesised by the CHSY/CHPF heterocomplex is (GlcAβ1,3GlcNAcβ1,4)n.
Chondroitin_sulfate
Elastomer composed of silicone
as polyethylene. A C–C backbone unit has a bond length of 1.54 Å and a bond angle of 112°, whereas an Si–O backbone unit has a bond length of 1.63 Å and
Silicone_rubber
Linear polymer whose repeat units have regularly-branching side chains
each repeat unit of the linear backbone, dendrons are attached. A dendron is a regularly-branched, tree-like polymer, itself consisting of repeat units. If
Dendronized_polymer
Chemical substance
the name implies, the ethoxylation process leaves the molecule with 20 repeat units of polyethylene glycol; in practice these are distributed across 4 different
Polysorbate_20
Sapphirine supergroup, single chain inosilicate mineral
Na2Fe2+5TiSi6O20 and its structure consists of single tetrahedral chains with a repeat unit of four and complex side branches. It forms brown to black triclinic
Aenigmatite
Macromolecule
infection, particularly when the virus attaches with ACE2. The basic repeat unit synthesised by the EXT1/EXT2 heterocomplex is (GlcAβ1,4GlcNAcα1,4)n.
Heparan_sulfate
Relative conformational uniformity of repeating units in a macromolecule
configuration relative to the preceding unit. Monotactic macromolecules have one stereoisomeric atom per repeat unit,[not verified in body] ditactic to n-tactic
Tacticity
Mathematical theory
increase or decrease by a single repeat unit at a fixed rate (i.e. by the addition or subtraction of one repeat unit per generation) and these changes
Stepwise_mutation_model
Association between genetics and ALS
have fewer than 25 repeat units, while people with ALS due to a mutation in C9orf72 tend to have hundreds or thousands of repeat units. It is not clear
Genetics of amyotrophic lateral sclerosis
Genetics_of_amyotrophic_lateral_sclerosis
Ring molecule able to store other molecules within itself
year 2000. To date cucurbiturils composed of 5, 6, 7, 8, 10, and 14 repeat units have all been isolated, which have internal cavity volumes of 82, 164
Cucurbituril
Family of modified resins (polyphenylenes with polystyrene)
compatibility in Noryl resins is due to the presence of a benzene ring in the repeat units of both chains. The addition of polystyrene to PPE increases the glass
Noryl
Polymer harvested from certain trees
strain crystallizes. Because there are weakened allylic C–H bonds in each repeat unit, natural rubber is susceptible to vulcanisation as well as being sensitive
Natural_rubber
Functional group at the extremity of an oligomer or other macromolecule
repeat unit by the number of protons continued in the repeat unit. For this case, Xn = n = 100/2, and therefore Xn = 50, or there are 50 repeat units
End_group
Central computer component that executes instructions
A central processing unit (CPU), also known as a central processor, main processor, or simply processor, is the primary processor in a given computer.
Central_processing_unit
Polymer made of repeating –C≡C– units
an allotrope of carbon that has the chemical structure (−C≡C−)n as a repeat unit, with alternating single and triple bonds. It would thus be the ultimate
Linear_acetylenic_carbon
Organic Polymer
effective conjugation extended over 11 repeat units, while later studies increased this estimate to 20 units. Using the absorbance and emission profile
Polythiophene
Mineral
structure is chains of SiO4 tetrahedra with repeat unit of three tetrahedra, unlike the pyroxenes where the repeat unit is two. Ca++ and Mn++ are positioned
Bustamite
Chemical group (>N–C(=O)–O–)
the carbamate anion H2NCOO− (e.g. ammonium carbamate). Polymers whose repeat units are joined by carbamate like groups −NH−C(=O)−O− are an important family
Carbamate
Protein domain
An armadillo repeat is a characteristic, repetitive amino acid sequence of about 42 residues in length that is found in many proteins. Proteins that contain
Armadillo_repeat
in both coding and non-coding genomic sequences. Repetitive units of protein tandem repeats are considerably diverse, ranging from the repetition of a
Protein_tandem_repeats
Highly flammable compound
nitrocellulose is a nitrate ester, not a nitro compound. The glucose repeat unit (anhydroglucose) within the cellulose chain has three OH groups, each
Nitrocellulose
Chemical compound
are available depending on the level of ethoxylation performed, with repeat units (n) of polyethylene glycol varying between 2 and 20. Commercially it
Polyethylene glycol cetyl ether
Polyethylene_glycol_cetyl_ether
Dipolar ion polymer
ammonium and a negatively charged sulfonate group within one constitutional repeat unit. In recent years, polysulfobetaines have received increasing attention
Polysulfobetaine
Class of chemical compounds
imide subunits, i.e., the polyimides. One example is Kapton where the repeat unit consists of two imide groups derived from aromatic tetracarboxylic acids
Imide
Cleavage of C=C, C≡C, or N=N bonds with ozone
the structure of some polyolefins. Early experiments showed that the repeat unit in natural rubber was shown to be isoprene. Ozonolysis can be a serious
Ozonolysis
Chemical compound
Polyethylenimine (PEI) or polyaziridine is a polymer with repeating units composed of the amine group and two carbon aliphatic CH2CH2 spacers. Linear
Polyethylenimine
Polymer containing many ionic or ionizable functional groups
(iono- + -mer) is a polymer composed of repeat units of both electrically neutral repeating units and ionized units covalently bonded to the polymer backbone
Ionomer
Nontransparent thermosetting polymer
polymer consists of [(O)CNHCH2NH]n repeat units. In contrast, melamine-formaldehyde resins feature NCH2OCH2N repeat units. Depending on the polymerization
Urea-formaldehyde
1996 studio album by Slipknot
Mate. Feed. Kill. Repeat. is the independent debut album recorded by the American heavy metal band Slipknot, and their only release with original lead
Mate._Feed._Kill._Repeat.
Organic compound with multiple –OH groups
These have 2, 3 and 4 carbon atoms respectively per oxygen atom in the repeat unit. Polycaprolactone polyols are also commercially available. There is also
Polyol
Cracks in many different elastomers due to ozone attack
most sensitive to degradation. Every repeat unit in the first three materials has a double bond, so every unit can be degraded by ozone. Nitrile rubber
Ozone_cracking
sequences and structures to find, characterize and annotate protein tandem repeats. Fournier D, Palidwor GA, Shcherbinin S, Szengel A, Schaefer MH, Perez-Iratxeta
List of protein tandem repeat annotation software
List_of_protein_tandem_repeat_annotation_software
Synthetic materials with properties similar to natural resins
other synthetics, however, it has a simple chain structure with the repeat unit of form −[CH2O]−. Ion-exchange resins are used in water purification
Synthetic_resin
Polymerization process involving free radicals as repeating units
polymer forms by the successive addition of a radical to building blocks (repeat units). Radicals can be formed by a number of different mechanisms, usually
Radical_polymerization
Ester of an estrogen
a polymer, with an average polymer chain length of approximately 13 repeat units of estradiol phosphate. It is slowly cleaved into estradiol and phosphoric
Estrogen_ester
Chemical compound
ethoxylation of dodecanol (lauryl alcohol) to give a material with 8 repeat units of ethylene glycol. Pentaethylene glycol monododecyl ether, C12E5 "Octaethyleneglycol
Octaethylene glycol monododecyl ether
Octaethylene_glycol_monododecyl_ether
Chemical compound
chemical reaction of dodecanol (lauryl alcohol) to give a material with 5 repeat units of ethylene glycol. Within the study of biological membranes and cell
Pentaethylene glycol monododecyl ether
Pentaethylene_glycol_monododecyl_ether
Chemical reaction between ethylene oxide and substrate
difficult to control and leading to the formation of a product with varying repeat unit length (the value of n in the equation above). Better control can be
Ethoxylation
Short protein motif that forms a solenoid domain
The WD40 repeat (also known as the WD or beta-transducin repeat) is a short structural motif of approximately 40 amino acids, often terminating in a tryptophan-aspartic
WD40_repeat
Check the validity of a logic formula
be satisfied, false otherwise. function DP-SAT(Φ) repeat // unit propagation: while Φ contains a unit clause {l} do for every clause c in Φ that contains
Davis–Putnam_algorithm
Surface coating protein of trypanosome
unusual proteins with extensive tandem repeat units of glutamic acid (E) and proline (P), referred to as EP repeats (EP1, EP1-2, EP2, EP2-1, EP3, EP3-2,
Procyclin
Protein domain
The ankyrin repeat is a 33-residue motif in proteins consisting of two alpha helices separated by loops, first discovered in signaling proteins in yeast
Ankyrin_repeat
Plasma membrane found in gram-negative bacteria
not yet fully understood. The lipid A-core moiety and the O-antigen repeat units are synthesized at the cytoplasmic face of the inner membrane and are
Bacterial_outer_membrane
Polymer produced via a condensation reaction
of nylon 66, the polymerization produces two molecules of water per repeat unit: n H2N-X-NH2 + n HO2C-Y-CO2H → [HN-X-NHC(O)-Y-C(O)]n + (2n-1) H2O Another
Condensation_polymer
Protein family
function in export of the colanic acid repeat unit from the cytoplasm into the periplasm in a process analogous to O-unit export. The colanic acid gene clusters
Outer membrane polysaccharide transporter
Outer_membrane_polysaccharide_transporter
Idealization in polymer thermodynamics
considerably. For an actual homopolymer chain (consists of the same repeat units) with bond length l {\displaystyle l} and bond angle θ with a dihedral
Kuhn_length
Chemical compound
functional antiandrogenic effects due to its estrogenic activity. A single repeat unit of PEP, corresponding to estradiol phosphate (minus OH2), is of about
Polyestradiol_phosphate
Protein tandem repeat
The tetratricopeptide repeat (TPR) is a structural motif. It consists of a degenerate 34 amino acid tandem repeat identified in a wide variety of proteins
Tetratricopeptide_repeat
DNA structure
are highly variable, along with inverted-repeat Z-DNA structures within a larger 2.1kb satellite DNA repeat unit. Additionally, H-DNA has been shown to
Triple-stranded_DNA
Oxidation usually occurs at the tertiary carbon atom present in every repeat unit. A free radical is formed here, and then reacts further with oxygen,
Twinwall_plastic
capillary electrophoresis devices. From this size estimate, the number of repeat units at each locus can be deduced. The resulting information is a code which
Multiple_loci_VNTR_analysis
Repetitive DNA sequence
STR regions. Gel electrophoresis then "yields the number of times each repeat unit appears in the fragment." This allows for easy comparison of DNA. Y-STR
Y-STR
Chemical species structure notation
macromolecules. It introduces a new curly bracket notation for listing polymer repeat units. For example, poly(ethylene-vinyl acetate) is written {CC,CC(OC(=O)C)}
Simplified Molecular Input Line Entry System
Simplified_Molecular_Input_Line_Entry_System
Changeable segments of genetic material
instability of these sequences. Such changes often involve one or two repeat unit additions or deletions and can interact with telomeres, affecting chromosomal
Unstable_DNA_sequence
Market-research tool describing the total volume of consumer product purchases per year
per unit time (usually taken to be one year). On the right-hand-side, the first parentheses describes trial volume, and the second describes repeat volume
Fourt–Woodlock_equation
Type of porous material
reaction conditions of Suzuki coupling for the formation of a biphenyl repeat unit for CMPs include the palladium catalyzed cross-coupling of an organo-boron
Conjugated microporous polymer
Conjugated_microporous_polymer
Type of synthetic rubber formed from the polymerization of butadiene
and toughness. Because the chains have a double bond in each and every repeat unit, the material is sensitive to ozone cracking. The annual production of
Polybutadiene
DNA mutation involving an increase in number of trinucleotide repeats
A trinucleotide repeat expansion, also known as a triplet repeat expansion, is the DNA mutation responsible for causing any type of disorder categorized
Trinucleotide repeat expansion
Trinucleotide_repeat_expansion
Chemical compound
Parsol SLX by DSM. The backbone chain is mainly composed of siloxane repeat units, and is of low molecular weight, so being classed as an oligomer. Parsol
Polysilicone-15
Units that are not part of a coherent system
of units of measurement in active use, which do not form part of a coherent system of measurement. Many of the items listed here are colloquial units based
List of non-coherent units of measurement
List_of_non-coherent_units_of_measurement
Protein family
corresponds to a 4-stranded anti-parallel beta-sheet motif that forms the repeat unit in a super-barrel structural fold commonly known as a beta propeller
Kelch_motif
Validating the behavior of isolated source code
and consistent and repeatable testing. Testing is often performed by the programmer who writes and modifies the code under test. Unit testing may be viewed
Unit_testing
Organic compound of the form >C=C=O
and bis-ketenes (O=C=CH−R'−CH=C=O) react to yield polyesters with a repeat unit of (−O−R−O−CO−R'−CO). The Staudinger synthesis is used to synthesize
Ketene
Scale for measuring spiciness of peppers
spiciness of chili peppers and other substances, recorded in Scoville heat units (SHU). It is based on the concentration of capsaicinoids, among which capsaicin
Scoville_scale
Protein-coding gene in humans
and GGGGCC repeat length was examined in Caucasians. The repeat length is largely constant in all haplotypes harboring up to 5 repeat units, but not in
C9orf72
Law & Order: Special Victims Unit, the first spin-off of Law & Order, is an American police procedural television series that focuses on crimes of sexual
List of Law & Order: Special Victims Unit episodes (season 20–present)
List_of_Law_&_Order:_Special_Victims_Unit_episodes_(season_20–present)
Muscular degenerative disease of the face, shoulder blades, and upper arms
flanking D4Z4 repeat units of 300 nucleotides and 1,900 nucleotides, respectively. DUX4 consists of three exons. Exons 1 and 2 are in each repeat; only exon
Facioscapulohumeral muscular dystrophy
Facioscapulohumeral_muscular_dystrophy
Material composed of at least two polymers mixed together
polymers in noryl is caused by the presence of an aromatic ring in the repeat units of both chains. polyethylene terephthalate (PET) – polybutylene terephthalate
Polymer_blend
Type of material
comprising a few repeat units (n = 1 to 2) is a viscous, clear liquid; this is called a liquid epoxy resin. A product comprising more repeating units (n = 2 to
Epoxy
equal to the change of enthalpy of fusion (or latent heat of fusion) per repeat unit at the standard temperature This shows that in Region I, lateral nucleation
Hoffman_nucleation_theory
Polymerization mechanism
adds one monomer molecule to form a new polymer molecule (RM1°) one repeat unit longer. For radical polymerization, the active center remains an atom
Chain-growth_polymerization
Brevity codes used by a variety of US professionals
7) takes its name from the New Zealand Police ten-code 10-7, which means "Unit has arrived at job". Often when an officer retires, a call to dispatch is
Ten-code
Type of polymerization reaction mechanism
{N_{x}}{N}}{\frac {N}{N_{o}}},} where Mo is the molar mass of the repeat unit, No is the initial number of monomer molecules, and N is the number of
Step-growth_polymerization
Season of American television series
The eleventh season of Law & Order: Special Victims Unit premiered on September 23, 2009 and concluded on May 19, 2010. It was moved from Tuesdays to Wednesdays
Law & Order: Special Victims Unit season 11
Law_&_Order:_Special_Victims_Unit_season_11
Allotrope of carbon
Donor-Acceptor Multiblock Copolymers Incorporating Fullerene Backbone Repeat Units". Macromolecules. 14. 43 (14): 6033–6044. Bibcode:2010MaMol..43.6033H
Fullerene
Genes coding for ribosomal RNA
copies of the 45S rDNA transcriptional unit, spread across five chromosomes with nucleolus organizer regions. The repeat clusters are located on the acrocentric
Ribosomal_DNA
REPEAT UNIT
REPEAT UNIT
Boy/Male
Christian & English(British/American/Australian)
Of Shining Fame
Girl/Female
Hindu
Love, Merciful or compassionate
Girl/Female
Christian, Finnish, Greek, Hindu, Indian, Tamil, Telugu
Pearl; Variant Form of Rita; Sings Praises
Girl/Female
Hindu, Indian
Repeat Again
Girl/Female
Indian, Sikh
Tradition; Prestigious Customs
Boy/Male
Hindu
Brilliant
Female
Finnish
 Short form of Finnish Margareeta, REETA means "pearl." Compare with another form of Reeta.
Male
German
Low German form of German Hrodebert, RUPERT means "bright fame."
Girl/Female
Hindu
Pearl, Way of life
Girl/Female
Arabic, Muslim
Gift
Boy/Male
American, Australian, British, Danish, Dutch, English, French, German, Italian, Jamaican, Netherlands, Swedish, Teutonic
Bright Fame; Form of Robert; Famous
Boy/Male
Teutonic American German
Bright fame.
Girl/Female
Muslim/Islamic
Gift
Girl/Female
Muslim
Gift
Girl/Female
Hindu, Indian
Love
Girl/Female
Australian, Latin
Dignified
Boy/Male
Arabic, Hindu, Indian, Kannada, Marathi, Muslim, Telugu
Mercy
Girl/Female
Indian, Sikh
Blessing
Girl/Female
Native American
Repeat dance.
Female
English
 English variant spelling of Spanish Rita, REETA means "pearl." Compare with another form of Reeta.
REPEAT UNIT
REPEAT UNIT
Surname or Lastname
English
English : probably a variant of Parr.Jewish (American) : shortened form of some Ashkenazic surname such as Perelman and Perlstein.
Boy/Male
Arabic
Fortunate; Prosperous
Girl/Female
Tamil
Desire, Wish
Girl/Female
Hindu
Sugar, A bird
Boy/Male
Arabic
Aaron the Upright
Girl/Female
Hindu, Indian, Marathi, Sindhi, Tamil
Symbol of Good Character
Girl/Female
American, Australian, Hebrew
Gracious Companion; Friend; Combination of Ruth and Anne
Girl/Female
Tamil
Plan
Girl/Female
Muslim
Victory, Successful (1)
Biblical
his gift,An ancestor of Jesus
REPEAT UNIT
REPEAT UNIT
REPEAT UNIT
REPEAT UNIT
REPEAT UNIT
v. t.
To change back. See Revert, v. i.
v. t.
To repay or refund (an excess received).
v. t.
To resist with success; as, to defeat an assault.
n.
A mark, or series of dots, placed before and after, or often only at the end of, a passage to be repeated in performance.
v. t.
To go over again; to attempt, do, make, or utter again; to iterate; to recite; as, to repeat an effort, an order, or a poem.
v. t.
Sound; noise; as, the report of a pistol or cannon.
n.
That which is repeated; as, the repeat of a pattern; that is, the repetition of the engraved figure on a roller by which an impression is produced (as in calico printing, etc.).
v.
Particular; point regarded; point of view; as, in this respect; in any respect; in all respects.
v. t.
To put a new seat, or new seats, in; as, to reseat a theater; to reseat a chair or trousers.
n.
One who, or that which, repeats.
a.
Same as Repent.
v. t.
To set again; as, to reset type; to reset copy; to reset a diamond.
v. i.
To blow the recheat.
v. t.
To recall, as a deed, will, law, or statute; to revoke; to rescind or abrogate by authority, as by act of the legislature; as, to repeal a law.
v. t.
To suppress; to repel.
v. i.
To make a report, or response, in respect of a matter inquired of, a duty enjoined, or information expected; as, the committee will report at twelve o'clock.
v. t.
To return or repeat, as sound; to echo.
n.
Revocation; abrogation; as, the repeal of a statute; the repeal of a law or a usage.
imp. & p. p.
of Repeat
a.
Same as Reptant.