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The most common tuplet [9] is the triplet (German Triole, French triolet, Italian terzina or tripletta, Spanish tresillo).Whereas normally two quarter notes (crotchets) are the same duration as a half note (minim), three triplet quarter notes have that same duration, so the duration of a triplet quarter note is 2 ⁄ 3 the duration of a standard quarter note.
A 1‑tuple is called a single (or singleton), a 2‑tuple is called an ordered pair or couple, and a 3‑tuple is called a triple (or triplet). The number n can be any nonnegative integer . For example, a complex number can be represented as a 2‑tuple of reals, a quaternion can be represented as a 4‑tuple, an octonion can be represented as ...
An artificial form of RNA consisting entirely of uracil-containing nucleotides (polyuridylic acid or poly-U) was added to the extract, causing it to form a protein composed entirely of the amino acid phenylalanine. This experiment cracked the first codon of the genetic code and showed that RNA controlled the production of specific types of protein.
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[c] The difficulty may be seen by comparing dotted notation to tied notation: a quarter note is equivalent to 2 tied eighth notes (), a dotted quarter = 3 tied eighth notes, double dotted = 7 tied sixteenth notes (), triple dotted = 15 tied thirty-second notes (), and quadruple dotted = 31 tied sixty-fourth notes (). Although shorter notes do ...
An eighth note or a quaver is a musical note played for one eighth the duration of a whole note (semibreve). Its length relative to other rhythmic values is as expected—e.g., half the duration of a quarter note (crotchet), one quarter the duration of a half note (minim), and twice the value of a sixteenth note .
An example is with a triplet, so that a triplet subdivision is often counted "tri-pl-et". [4] The Kodály Method uses "Ta" for quarter notes and "Ti-Ti" for eighth notes. For sextuplets simply say triplet twice (see Sextuplet rhythm.png), while quintuplets may be articulated as "un-i-vers-i-ty", or other five-syllable words such as "hip-po-pot ...
In 2015 N. Budisa, D. Söll and co-workers reported the full substitution of all 20,899 tryptophan residues (UGG codons) with unnatural thienopyrrole-alanine in the genetic code of the bacterium Escherichia coli. [25] In 2016 the first stable semisynthetic organism was created. It was a (single cell) bacterium with two synthetic bases (called X ...