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G-quadruplex structures can be computationally predicted from DNA or RNA sequence motifs, [11] [12] but their actual structures can be quite varied within and between the motifs, which can number over 100,000 per genome. Their activities in basic genetic processes are an active area of research in telomere, gene regulation, and functional ...
In molecular biology, a guanine tetrad (also known as a G-tetrad or G-quartet) is a structure composed of four guanine bases in a square planar array. [ 1 ] [ 2 ] They most prominently contribute to the structure of G-quadruplexes , where their hydrogen bonding stabilizes the structure.
2-inch quadruplex videotape (also called 2" quad video tape or quadraplex) was the first practical and commercially successful analog recording video tape format. [1] It was developed and released for the broadcast television industry in 1956 by Ampex , an American company based in Redwood City, California . [ 2 ]
Two-inch quadruplex videotape, the first practical and commercially successful videotape format; G-quadruplex, a four-stranded nucleic acid structure rich in guanine; C-quadruplex, a four-stranded nucleic acid structure rich in cytosine, found in I-motif DNA; Quadruplex, a building split into four apartments, similar to a duplex
After arriving in Denver to search, he fell in love with the first apartment he saw, a one-bedroom in a new building in the trendy River North Arts District.
A 14-inch reel of 2-inch quad videotape compared with a modern-day MiniDV videocassette. Both media store one hour of color video. The first commercial professional broadcast quality videotape machines capable of replacing kinescopes were the two-inch quadruplex videotape (Quad) machines introduced by Ampex on April 14, 1956, at the National Association of Broadcasters convention in Chicago.
Emma Watson spent Valentine's Day taking in a little basketball. The Harry Potter actress, 34, made a rare public appearance at the NBA All-Star Celebrity Game in Oakland, Calif., on Friday, Feb ...
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