serw-MX  [xml]  

 DeCS Categories

D01 Inorganic Chemicals .
D01.268 Elements .
D01.268.558 Metals, Rare Earth .
D01.268.558.975 Yttrium .
D01.268.956 Transition Elements .
D01.268.956.890 Yttrium .
D01.552 Metals .
D01.552.550 Metals, Rare Earth .
D01.552.550.975 Yttrium .
D13 Nucleic Acids, Nucleotides, and Nucleosides .
D13.444 Nucleic Acids .
D13.444.308 DNA 12232 .
D13.444.308.520 DNA Transposable Elements .
G02 Chemical Phenomena .
G02.111 Biochemical Phenomena .
G02.111.570 Molecular Structure .
G02.111.570.080 Base Sequence .
G02.111.570.080.708 Repetitive Sequences, Nucleic Acid .
G02.111.570.080.708.330 Interspersed Repetitive Sequences .
G02.111.570.080.708.330.200 DNA Transposable Elements .
G05 Genetic Phenomena .
G05.360 Genetic Structures .
G05.360.080 Base Sequence .
G05.360.080.708 Repetitive Sequences, Nucleic Acid .
G05.360.080.708.330 Interspersed Repetitive Sequences .
G05.360.080.708.330.200 DNA Transposable Elements .
G05.360.340 Genome .
G05.360.340.024 Genome Components .
G05.360.340.024.425 Interspersed Repetitive Sequences .
G05.360.340.024.425.200 DNA Transposable Elements .
SP4 Environmental Health .
SP4.011 Science .
SP4.011.097 Chemistry .
SP4.011.097.063 Elements .
 Synonyms & Historicals
Metals, Rare Earth .
Earth Metals, Rare .
Rare Earth Metals .
A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS. Historically, the rare earth metals got their name from the fact that they were never found in their pure elemental form, but as an oxide. In addition they were very difficult to purify. They are not truly rare and comprise about 25% of the metals in the earth's crust. .
Elements .
Substances that comprise all matter. Each element is made up of atoms that are identical in number of electrons and protons and in nuclear charge, but may differ in mass or number of neutrons. .
DNA Transposable Elements .
Elements, Insertion Sequence .
Sequence Elements, Insertion .
DNA Insertion Element .
DNA Transposable Element .
DNA Transposon .
Element, DNA Insertion .
Element, DNA Transposable .
Element, IS .
Element, Insertion Sequence .
Element, Tn .
Element, Transposable .
Elements, DNA Insertion .
Elements, DNA Transposable .
Elements, IS .
Elements, Tn .
Elements, Transposable .
IS Element .
Insertion Element, DNA .
Insertion Elements, DNA .
Insertion Sequence Element .
Sequence Element, Insertion .
Tn Element .
Transposable Element .
Transposable Element, DNA .
Transposable Elements, DNA .
Transposon, DNA .
Transposons, DNA .
Insertion Sequence Elements .
IS Elements .
Tn Elements .
Transposable Elements .
DNA Transposons .
DNA Insertion Elements .
Discrete segments of DNA which can excise and reintegrate to another site in the genome. Most are inactive, i.e., have not been found to exist outside the integrated state. DNA transposable elements include bacterial IS (insertion sequence) elements, Tn elements, the maize controlling elements Ac and Ds, Drosophila P, gypsy, and pogo elements, the human Tigger elements and the Tc and mariner elements which are found throughout the animal kingdom. .
Yttrium .
An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers. .