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Circular in Biological Dictionary

Rolling circle

... that can rapidly synthesize multiple copies of circular molecules of DNA or RNA, such as plasmids, the genomes of bacteriophages, and the circular RNA genome of viroids. Some eukaryotic ... ... E.T. Rolling circle DNA synthesis: Small circular ... Ward, D.C. Immunoassays with rolling ...

Eyespots

... In members of the Felidae family, the white circular markings on the backs of the ears are termed ... learn what they are and how to treat. circular markings on creatures such as butterflies are ... Aesthetics: None Originality: None ... circular markings on creatures such as butterflies are ...

Circular chromosomes

... ... Bacteria) typically have a single circular chromosome , but many variations do exist. ... ... miniature chromosomes , which are small circular pieces of DNA ... from circular chromosomes (Stahl and. Steinberg, 1964; ...

Site-specific recombination

... Escherichia coli Xer site - specific recombination acts to convert circular DNA ... ( B) Model of Xer site - specific recombination reactions on ... . ... Site - specific recombination affects the topology of circular DNA substrates. ... The tangle model for processive site - specific ...

Gyrase

... the type II topoisomerases involved in the supercoiling of double-stranded circular DNA ... What is the function of bacterial DNA gyrase ? ... Gyrase - ... nearby regulatory ... DNA gyrase introduces negative supercoiling into circular DNA by catalyzing the ... By representing the gyrase inhibition as a ...

Terminator region

... twilight zone is a fictive line that delimits the illuminated day side and the dark night side of a planetary body . On Earth, the terminator is a circular line with a diameter that is approximately that of the Earth. Apart from polar regions, ... The Terminator on IMDb: Movies, TV, Celebs, and ...

Syncytium

... occurs later in the natural course ... ... syncytium allows the pacemaking network to produce voltage ... The passive properties of the circular muscle syncytium resembled those in other species. ... ...

Supercoil

... Find Great Bargains on Sporting Goods, Toys, Collectibles, Car Parts, Food, and the Good Things in Life. DNA supercoil Supercoiled structure of circular DNA molecules with low writhe. ... The noun form " supercoil " is rarely used in the ... What is a supercoil ? ... Shop for mens shoes like ...

Sphincter

... A sphincter is a structure, usually a circular muscle, that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. ...

Scolex

... ... scolex . scoli(o)- scolio- scoliokyphosis. scoliometer. scoliorachitic. scoliosiometry ... It has a globular scolex with four suckers and a circular row of hooks ... Expulsion of scolex must be assured to assume a satisfactory treatment. ... ...

Satellite RNA

... form of the satellite RNA is linear (27, 34), and ... case of the satellite RNA of tobacco ringspot virus, for example, ... original circular satellite RNA , and a different sequence of approximately 50 nucleotides, ... MOLECULAR BASIS OF VIRUS, SATELLITE RNA AND HOST PLANT ...

Restriction site

... Restricted Sites zone you will likely want to ... Finds restriction endonuclease cleavage sites in DNA sequences. Supports linear and circular DNA and provides several ways to sort and filter output. CLC bio offers a wide range of world class bioinformatics solutions: From highly ...

Restriction

... thesaurus, Word of the Day, and word games. Finds restriction endonuclease cleavage sites in DNA sequences. Supports linear and circular DNA and provides several ways to sort and filter output. Restriction endonucleases are enzymes that cleave the sugar-phosphate backbone of ....

Replication fork

... Several enzymes at the replication fork are essential to the synthesis of both strands. ... Eventually, the two replication forks of the circular chromosome meet at a ... If the rate of replication fork movement in this cell lines is 2000 bp per min, ... without an origin will be ...

Recombinant DNA

... ... Using restriction enzymes to create Recombinant DNA . ... X 2 copies=46 strands of DNA . Plus several thousand copies of very small circular mitochondrial DNA . ... Recombinant DNA Technology. The term "biotechnology" often refers to the ... The technique of recombinant DNA , ...

Pyloric sphincter

... Articles Quickly. ... Pyloric stenosis occurs due to enlargement of the walls of the pyloric sphincter . The pyloric sphincter is a circular smooth muscle at the outlet of the stomach ... Pyloric stenosis occurs when the muscle surrounding the pyloric sphincter at the ... ...

Pyrenoid

... in the mature vegetative cell of Tetracystis ... Pyrenoid -associated starch plates diminish, and quantities of starch not ... A single circular pyrenoid , which is the centre for starch production, is ... P = pyrenoid , PV = contractile (pulsing) vacuole, S = stigma. ... Chloroplasts 1 ...

PolyA tail

... mRNA includes a 5' cap, 5' UTR, coding region, 3' UTR, and poly(A ) tail . ... Poly(A ) tail removal is thought to disrupt the circular ... In the cytoplasm, the poly(A ) tail bound by Pab1 cooperates with the cap ... supports a significant role for poly(A ) tail length ...

Plastid

... Each plastid creates multiple copies of the circular 75-250 kilo bases plastome. The number of genome copies per plastid is flexible, ranging from more than 1000 ... A transplastomic plant ...

Plasmid

... DNA molecule separate from the chromosomal DNA which is capable of replicating independently of the chromosomal DNA. In many cases, it is circular and double-stranded. Plasmids usually ... The sequence starting with which the plasmid -DNA will be replicated in the recipient cell. ......

Peristalsis

... which occur along ... Britannica online encyclopedia article on peristalsis (physiology), involuntary movements of the longitudinal and circular muscles, primarily in the digestive tract ... These peristalsis animations were designed for a non-majors freshman biology ... in your own web ...

Origin of replication

... earlier in S phase than at others, ... In order to be replicated, each origin of replication must be bound by: ... Many bacteria have circular chromosomes with single origins of replication . ... The origin of replication will only be labeled with the pulse time is extended ... ...

Nephridium

... : organ of an earthworm that performs the functions of kidneys. ... Earthworm nephridiopore (close-up) 1. Nephridiopore. 2. Hypodermis. 3. circular muscle layer. 4. Longitudinal muscles ... Essentially, a nephridium is a tube, generally very long and much folded upon ... Among the ...

Muscularis

... control animals and at 4 h ... Muscularis whole mounts were prepared from the midcolon collected 24 h ... Tunica muscularis externa internal circular external longitudinal. Tunica adventitia ... Muscularis mucosae. TUBULAR GLANDS Often branched. Mucosa deepest ... Results: The usefulness of ...

Minicircles

... Minicircles are small (~4kb) circular plasmid derivatives that have been freed from all prokaryotic vector parts. Shop for Robeez Minicircles Mj (infant) at Piperlime.com. Girl's ...

FADH2

... . terminal oxidase. Lecture Outline: ... 2 ATP's made per oxidation of FADH2 ... ... are then passed to FAD FADH2 . The Citric Acid Cycle. circular pathway ... Oxidation of NADH and FADH2 is carried out by the electron transport chain (ETC) ... Practice Quiz 8 (TCA, electron transport ...

Cyanobacteria

... are some of the oldest organisms to appear in the fossil record, ... Promotes general cyanobacterial research. Cyanobacteria is like a circular maze with wall after wall inside them. ... The cells of the cyanobacteria are joined in threads that are surrounded by a ... Intoxication with ...

Crop

... such as grain, vegetables, or fruit, considered as a group: Wheat is a common crop Crop circle For the irrigation method that produces circular fields of crops , see center pivot irrigation ... 2 Creators of crop circles. 3 Scientific analysis ... Definition of crop from the ...

Conversion

... is theft. Examples are seen in ... Friendly JavaScript interface converts weight, volume, length, area, speed, pressure, temperature, circular measure, and time into different units and unit systems. Provides more than 2100 various units of measure in more than 70 categories. ... Weight ...

C Terminus

... ( V/I)XPX at the extreme C terminus , which closely resembles the ... To test the hypothesized function of the prRDH C terminus in ... circular dichroism of isolated and purified C terminus supports this prediction. ... The C terminus sequence was first used as a query to build the ...
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