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An illustration of purple-crowned fairywrens by H. C. Richter in The Birds of Australia, 1840-1848. The purple-crowned fairywren was first collected in 1855 and 1856 by the explorer Joseph Ravenscroft Elsey at Victoria River and Robinson River. [2] The species was first described by the ornithologist John Gould in 1858. [3]
The Chromatiaceae are one of the two families of purple sulfur bacteria, together with the Ectothiorhodospiraceae.They belong to the order Chromatiales of the class Gammaproteobacteria, which is composed by unicellular Gram-negative organisms.
The Purple Monster Strikes was budgeted at $160,057 although the final negative cost was $183,803 (a $23,746, or 14.8%, overspend). It was the most expensive Republic serial of 1945. [1] It was filmed between 17 April and 19 May 1945 under the working title The Purple Shadow Strikes. [1] The serial's production number was 416. [1]
The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types.
LIA used in test. Lysine iron agar or LIA is a differential media used to distinguish bacteria that are able to decarboxylate lysine and/or produce hydrogen sulfide from those that cannot. [1]
In 2012, a tribute album featuring cover songs from Deep Purple's Machine Head was released, titled Re-Machined: A Tribute to Deep Purple's Machine Head. On this album, a live recording of "Highway Star" was featured by rock supergroup Chickenfoot, as well as a version recorded by Glenn Hughes, Steve Vai, and Chad Smith. [15]
While chromophore is used for both negative and positive staining alike, the type of chromophore used in this technique is a positively charged ion instead of a negative one. The negatively charged cell wall of many microorganisms attracts the positively charged chromophore which causes the specimen to absorb the stain giving it the color of ...
The Color Purple is a musical with music and lyrics by Brenda Russell, Allee Willis, and Stephen Bray, based on the 1982 novel The Color Purple by Alice Walker and its 1985 film adaptation. The musical follows the journey of Celie, an African American woman in the American South from the early to mid-20th century.