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DNA, double stranded macromolecule that carries the hereditary information of the cell [2] and found in all living cells; [3] each cell carries chromosome(s) having a distinctive DNA sequence. [4] Examples include macromolecules such as proteins and nucleic acids, biomolecular complexes such as a ribosome, and structures such as membranes, and ...
Chromosome 6 spans nearly 171 million base pairs (the building material of DNA) and represents between 5.5 and 6% of the total DNA in cells. It contains the major histocompatibility complex , which contains over 100 genes related to the immune response , and plays a vital role in organ transplantation .
Gene structure is the organisation of specialised sequence elements within a gene.Genes contain most of the information necessary for living cells to survive and reproduce. [1] [2] In most organisms, genes are made of DNA, where the particular DNA sequence determines the function of the gene.
DNA contacts of different types of DNA-binding domains. DNA binding sites are a type of binding site found in DNA where other molecules may bind. DNA binding sites are distinct from other binding sites in that (1) they are part of a DNA sequence (e.g. a genome) and (2) they are bound by DNA-binding proteins.
For example, the RNA component of the human telomerase contains a pseudoknot that is critical for its activity. [7] The hepatitis delta virus ribozyme is a well known example of a catalytic RNA with a pseudoknot in its active site. [10] [11] Though DNA can also form pseudoknots, they are generally not present in standard physiological conditions.
For example, fruit flies share 61 percent of disease-causing genes with humans, which was important when NASA studied the bugs to learn more about what space travel might do to your genes.
Optical mapping [1] is a technique for constructing ordered, genome-wide, high-resolution restriction maps from single, stained molecules of DNA, called "optical maps". By mapping the location of restriction enzyme sites along the unknown DNA of an organism, the spectrum of resulting DNA fragments collectively serves as a unique "fingerprint" or "barcode" for that sequence.
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