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Molecular classification of cutaneous malignant melanoma by gene
Molecular classification of cutaneous malignant melanoma by gene

... unrecognized subtypes of cutaneous melanoma and predict experimentally verifiable phenotypic characteristics that may be of importance to disease progression. ...
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The Central Dogma – Protein Synthesis

... DNA and the Genetic Code • 23 pairs of DNA molecules (46 total) are located in the nucleus of all cells except sperm and oocytes – 23 molecules are inherited from each parent • Recall that DNA is a double stranded molecule of nucleotides that are held together by hydrogen bonds between complimentar ...
The Central Dogma – Protein Synthesis
The Central Dogma – Protein Synthesis

... DNA and the Genetic Code • 23 pairs of DNA molecules (46 total) are located in the nucleus of all cells except sperm and oocytes – 23 molecules are inherited from each parent • Recall that DNA is a double stranded molecule of nucleotides that are held together by hydrogen bonds between complimentar ...
Biology 0200
Biology 0200

... Southern blotting is a technique that makes it possible to identify which bands on a gel contain a particular DNA sequence by blotting with a labeled RNA “probe.” Which of the following best describes the way in which the probe is used in this technique? A) It produces a double-strand break in DNA i ...
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Gene expression



Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins, but in non-protein coding genes such as transfer RNA (tRNA) or small nuclear RNA (snRNA) genes, the product is a functional RNA.The process of gene expression is used by all known life - eukaryotes (including multicellular organisms), prokaryotes (bacteria and archaea), and utilized by viruses - to generate the macromolecular machinery for life.Several steps in the gene expression process may be modulated, including the transcription, RNA splicing, translation, and post-translational modification of a protein. Gene regulation gives the cell control over structure and function, and is the basis for cellular differentiation, morphogenesis and the versatility and adaptability of any organism. Gene regulation may also serve as a substrate for evolutionary change, since control of the timing, location, and amount of gene expression can have a profound effect on the functions (actions) of the gene in a cell or in a multicellular organism.In genetics, gene expression is the most fundamental level at which the genotype gives rise to the phenotype, i.e. observable trait. The genetic code stored in DNA is ""interpreted"" by gene expression, and the properties of the expression give rise to the organism's phenotype. Such phenotypes are often expressed by the synthesis of proteins that control the organism's shape, or that act as enzymes catalysing specific metabolic pathways characterising the organism.
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