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The Winogradsky column is a simple device for culturing a large diversity of microorganisms. Invented in the 1880s by Sergei Winogradsky , the device is a column of pond mud and water mixed with a carbon source such as newspaper (containing cellulose ), blackened marshmallows or egg-shells (containing calcium carbonate ), and a sulfur source ...
The column, or technically the gynostemium, is a reproductive structure that can be found in several plant families: Aristolochiaceae, Orchidaceae, and Stylidiaceae. It is derived from the fusion of both male and female parts ( stamens and pistil ) into a single organ. [ 1 ]
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A capstone course, also known as a synthesis and capstone project, senior synthesis, among other terms, is a project that serves as the culminating and usually integrative praxis experience of an educational program mostly found in American-style pedagogy.
The hierarchy of biological classification's eight major taxonomic ranks.Intermediate minor rankings are not shown. In botanical nomenclature, variety (abbreviated var.; in Latin: varietas) is a taxonomic rank below that of species and subspecies, but above that of form. [1]
The estipite column is a type of pilaster used in buildings in the Mannerist and Baroque styles, [1] a moment when many classical architectural elements lost their simple shapes and became increasingly complex, offering a variety of forms and exuberant decoration. [2] This sort of column has the shape of an inverted pyramid or obelisk.
Left to right: plantains, Red, Latundan, and Cavendish bananas The following is a list of banana cultivars and the groups into which they are classified. Almost all modern cultivated varieties of edible bananas and plantains are hybrids and polyploids of two wild, seeded banana species, Musa acuminata and Musa balbisiana.
Fig.1: Wineglass model for IMRaD structure. The above scheme shows how to line up the information in IMRaD writing. It has two characteristics: the first is its top-bottom symmetric shape; the second is its change of width, meaning the top is wide, and it narrows towards the middle, and then widens again as it goes down toward the bottom.