Xem 1-20 trên 447 kết quả Sequence structures
  • Sequential execution: Statements executed in order. Transfer of control: Next statement executed not next one in sequence. 3 control structures (Bohm and Jacopini): Sequence structure. Programs executed sequentially by default. Selection structures. if, if/else, switch. Repetition structures. while, do/while, for.

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  • Hemocyanins are large oligomeric copper-containing pro-teins that serve for the transport of oxygen in many arth-ropod species. While studied in detail in the Chelicerata and Crustacea, hemocyanins had long been considered unnec-essary in the Myriapoda. Here we report the complete molecular structure of the hemocyanin from the common house centipedeScutigera coleoptrata(Myriapoda: Chilo-poda), as deduced from 2D-gel electrophoresis, MALDI-TOF mass spectrometry, protein and cDNA sequencing, and homology modeling....

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  • Vocabulary practice materials, and structures in English English Advanced Vocabulary and Structure Practice. English grammar is the grammatical structure of English sentences just the place orderly, proper and harmonious relations between the word elements to form a complete sentence and regulations in order to communicate a correctly, and basically most scientific. English grammar can be generalized into two contents, which are the elements, elements in a sentence and the sequencing rules, and divide it, may, in verse form, the harmony between the elements in question ....

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  • Control Structures • Sequential execution – Statements executed in order • Transfer of control – Next statement executed not next one in sequence • 3 control structures (Bohm and Jacopini) – Sequence structure • Programs executed sequentially by default – Selection structures • if, if/else, switch – Repetition structures • while, do/while, for

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  • In bioinformatics, a sequence alignment is a way of arranging the sequences of DNA, RNA, or protein to identify regions of similarity that may be a consequence of functional, structural, or evolutionary relationships between the sequences.[1] Aligned sequences of nucleotide or amino acid residues are typically represented as rows within a matrix. Gaps are inserted between the residues so that identical or similar characters are aligned in successive columns.

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  • Soon after the first sequences of proteins and nucleic acids became available for comparative analysis, it became apparent that they can play a key role for reconstructing the evolution of life. The availability of the sequence of several proteins prompted the birth of the field of molecular evolution, which aims at both the reconstruction of the biochemical history of life and the understanding of the mechanisms of evolution at the molecular level through the analysis of the macromolecules of existing organisms.

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  • Tpreface his book is designed for a two-semester sequence in computer science, beginning with what is typically known as Data Structures and continuing with advanced data structures and algorithm analysis. It is appropriate for the courses from both the two-course and three-course sequences in “B.1 Introductory Tracks,” as outlined in the final report of the Computing Curricula 2001 project (CC2001)—a joint undertaking of the ACM and the IEEE. The content of the Data Structures course has been evolving for some time.

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  • The extracellular phytase of the plant-associatedKlebsiellasp. ASR1 is a member of the histidine-acid-phosphatase family and acts primarily as a scavenger of phosphate groups locked in the phytic acid molecule. The Klebsiellaenzyme is distinguished from theEscherichia coliphytase AppA by its sequence and phytate degradation pathway.

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  • Here follows a collection of sequences, including sequences, which satisfy some simple difference equations. The reader is also referred to Calculus 3b. Since my aim also has been to demonstrate some solution strategy I have as far as possible structured the examples according to the following form A Awareness, i.e. a short description of what is the problem. D Decision, i.e. a reflection over what should be done with the problem. I Implementation, i.e. where all the calculations are made. C Control, i.e. a test of the result. This is an ideal form of a general procedure of solution.

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  • Ribose-5-phosphate isomerase (Rpi; EC is a key activity of the pen-tose phosphate pathway. Two unrelated types of sequence⁄structure possess this activity: type A Rpi (present in most organisms) and type B Rpi (RpiB) (in some bacteria and parasitic protozoa).

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  • Antibodies and their fragments are attractive binding proteins because their high binding strength is generated by several hypervariable loop regions, and because high-quality libraries can be prepared from the vast gene clus-ters expressed by mammalian lymphocytes. Recent explorations of new genome sequences and protein structures have revealed various small, nonantibody scaffold proteins.

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  • A novel plant protein isolated from the underground bulbs of Scadoxus multiflorus, xylanase and a-amylase inhibitor protein (XAIP), inhibits two structurally and functionally unrelated enzymes: xylanase and a-amylase. The mature protein contains 272 amino acid residues which show sequence identities of 48% to the plant chitinase hevamine and 36% to xylanase inhibitor protein-I, a double-headed inhibitor of GH10 and GH11 xylanases.

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  • Stack ADTDEFINITION: A Stackof elements of type T is a finite sequence of elements of T, in which all insertions and deletions are restricted to one end, called the top. Stackis a Last In -First Out (LIFO) data structure.Basic operations: •Construct a stack, leaving it empty. •Pushan element. •Popan element. •Top an element.

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  • In computer science, a binary search tree (BST), which may sometimes also be called an ordered or sorted binary tree, is a node-based binary tree data structure which has the following properties:[1] The left subtree of a node contains only nodes with keys less than the node's key. The right subtree of a node contains only nodes with keys greater than the node's key. Both the left and right subtrees must also be binary search trees. There must be no duplicate nodes. Generally, the information represented by each node is a record rather than a single data element.

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  • Triterpenes exhibit a wide range of structural diversity produced by a sequence of biosynthetic reactions. Cyclization of oxidosqualene is the ini-tial origin of structural diversity of skeletons in their biosynthesis, and sub-sequent regio- and stereospecific hydroxylation of the triterpene skeleton produces further structural diversity.

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  • We propose a hybrid approach to coordinate structure analysis that combines a simple grammar to ensure consistent global structure of coordinations in a sentence, and features based on sequence alignment to capture local symmetry of conjuncts. The weight of the alignmentbased features, which in turn determines the score of coordinate structures, is optimized by perceptron training on a given corpus. A bottom-up chart parsing algorithm efficiently finds the best scoring structure, taking both nested or nonoverlapping flat coordinations into account. ...

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  • Proteins might aggregate into ordered or amorphous structures, utilizing relatively short sequence stretches, usually organized in b-sheet-like assem-blies. Here, we attempt to list all available software, developed during the last decade or so, for the prediction of such aggregation-prone stretches from protein primary structure, without distinguishing whether these algo

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  • We solved the 1.8 A˚ crystal structure ofb-fructofuranosidase from Bifido-bacterium longumKN29.1 – a unique enzyme that allows these probiotic bacteria to function in the human digestive system. The sequence ofb-fruc-tofuranosidase classifies it as belonging to the glycoside hydrolase family 32 (GH32).

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  • Currently, the molecular regulation mechanisms involved in the early development of maize brace root are poorly known. To gain insight into the transcriptome dynamics that are associated with its development, genome-wide gene expression profiling was conducted by Solexa sequencing (Illumina Inc., San Diego, CA, USA).

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  • A tree is any set of points and any set of pairs distinct vertices such that there is a sequence of edges from any vertex to any other, and there are no circuits, that is, no paths starting from a vertex and returning to the same vertex.

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