Molecules

Articles

• gene
  16 September 2003

  WP
  Definition: A gene is a locus (or region) of DNA that encodes a functional RNA or protein product, and is the molecular unit of heredity.
  The transmission of genes to an organism’s offspring is the basis of the inheritance of phenotypic traits. Most biological traits are under the influence of polygenes (many different genes) as well as the gene–environment interactions. Some genetic traits are instantly visible, such as eye colour or number of limbs, and some are not, such as blood (...)

• pyruvic acid
  22 October 2007

  pyruvate

• cytidine
  22 October 2007

  See also
  pyrimidines

• homocysteine
  15 October 2003

  Definition: Homocysteine is a chemical compound with the formula HSCH2CH2CH(NH2)CO2H.
  Homocysteine is a homologue of the naturally-occurring amino acid cysteine, differing in that its side-chain contains an additional methylene (-CH2-) group before the thiol (-SH) group.
  Alternatively, homocysteine can be derived from methionine by removing the latter’s terminal Cε methyl group.
  Elevated homocysteine
  As a consequence of the biochemical reactions in which homocysteine is involved, (...)

• heme A
  6 October 2003

  Pathology
  anomalies of heme A synthesis COX15 deficiency

• lactate
  22 October 2007

  lactic acid

• superoxide
  4 February 2006

  02-, superoxyde anion, superoxyde

• nucleosides
  22 November 2004

  nucleoside

• SP-A
  11 February 2004

  Surfactant protein A

• nucleotides
  16 September 2003

  nucleotides

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