long segments of DNA double helix

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• Nucleic acid double helix — Double helix redirects here. For other uses, see Double helix (disambiguation). Two complementary regions of nucleic acid molecules will bind and form a double helical structure held together by base pairs. In molecular biology, the term double… …   Wikipedia

• DNA condensation — refers to the process of compacting DNA molecules in vitro or in vivo.[1] Mechanistic details of DNA packing are essential for its functioning in the process of gene regulation in living systems. Condensed DNA often has surprising properties,… …   Wikipedia

• DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two …   Wikipedia

• DNA — gen deoxyribonucleic acid: an extremely long, double stranded nucleic acid molecule arranged as a double helix that is the main constituent of the chromosome and that carries the genes as segments along its strands: found chiefly in the chromatin …   From formal English to slang

• Mechanical properties of DNA — The mechanical properties of DNA, which are directly related to its structure, are a significant problem for cells. Every process which binds or reads DNA is able to use or modify the mechanical properties of DNA for purposes of recognition,… …   Wikipedia

• recombinant DNA technology — Genetics. any of various techniques for separating and recombining segments of DNA or genes, often employing a restriction enzyme to cut a gene from a donor organism and inserting it into a plasmid or viral DNA for transplantation into a host… …   Universalium

• nucleic acid — /nooh klee ik, klay , nyooh /, Biochem. any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides. [1890 95; NUCLE(US) + IC;… …   Universalium

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

• Nucleic acid tertiary structure — Example of a large catalytic RNA. The self splicing group II intron from Oceanobacillus iheyensis.[1] The tertiary structure of a nucleic acid is its precise three dimensional structure, as defined by the atomic coordinates.[2] …   Wikipedia

• Gene — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see Gene (disambiguation). This stylistic diagram shows a gene in relation to the double helix structure of DNA and to a chromosome (right). The… …   Wikipedia

• Nucleic acid secondary structure — The secondary structure of a nucleic acid molecule refers to the basepairing interactions within a single molecule or set of interacting molecules, and can be represented as a list of bases which are paired in a nucleic acid molecule.[1] The… …   Wikipedia