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Warabandi is an Urdu word that combines wahr ("turn") and bandi ("fixed)"; [2] [3] the term means rotation of water supply according to a fixed schedule. [4] [3] The Warabandi system can allocate the same volume of water to each farmer on a rotational basis, according to the regular and approved time schedule, which includes the day supply will start and how long the water runs.
The secondary structure consists of repeated patterns determined by hydrogen bonding. The two basic types are the α-helix and the β-pleated sheet. The tertiary structure is a back and forth bending of the polypeptide chain, and the quaternary structure is the way that tertiary units come together and interact. [7]
The Tertiary is a geologic period. Tertiary (from Latin, meaning 'third' or 'of the third degree/order..') may also refer to: Tertiary (chemistry), a term describing bonding patterns in organic chemistry; In biochemistry, the tertiary structure of a protein is its overall shape, also known as its fold; Tertiary consumer, in ecology
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The term "tertiary structure" is often used as synonymous with the term fold. The tertiary structure is what controls the basic function of the protein. Quaternary structure: the structure formed by several protein molecules (polypeptide chains), usually called protein subunits in this context, which function as a single protein complex.
Tertiary structure refers to the locations of the atoms in three-dimensional space, taking into consideration geometrical and steric constraints. It is a higher order than the secondary structure, in which large-scale folding in a linear polymer occurs and the entire chain is folded into a specific 3-dimensional shape.
Moreover, the typical secondary structure prediction methods do not account for the influence of tertiary structure on formation of secondary structure; for example, a sequence predicted as a likely helix may still be able to adopt a beta-strand conformation if it is located within a beta-sheet region of the protein and its side chains pack ...
The primary structure of a biopolymer is the exact specification of its atomic composition and the chemical bonds connecting those atoms (including stereochemistry).For a typical unbranched, un-crosslinked biopolymer (such as a molecule of a typical intracellular protein, or of DNA or RNA), the primary structure is equivalent to specifying the sequence of its monomeric subunits, such as amino ...