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Descriptor English: Base Composition
Descriptor Spanish: Composición de Base
Descriptor Portuguese: Composição de Bases
Descriptor French: Composition en bases nucléiques
Entry term(s): Base Compositions
Base Ratio
Base Ratios
Composition, Base
Composition, G+C
Composition, GC
Compositions, Base
Compositions, G+C
Compositions, GC
Content, G+C
Content, GC
Contents, G+C
Contents, GC
G+C Composition
G+C Compositions
G+C Content
G+C Contents
GC Composition
GC Compositions
GC Content
GC Contents
Guanine + Cytosine Composition
Guanine + Cytosine Content
Ratio, Base
Ratios, Base
Tree number(s): G02.111.080
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D001482
Scope note: The relative amounts of the PURINES and PYRIMIDINES in a nucleic acid.
Annotation: IM general only; NIM with specific nucleic acid (IM); do not confuse with BASE SEQUENCE: sequ = order in which arranged, comp = what components & how many
Allowable Qualifiers: DE drug effects
GE genetics
IM immunology
PH physiology
RE radiation effects
Public MeSH Note: 80
History Note: 80
Related: AT Rich Sequence MeSH
Base Pairing MeSH
GC Rich Sequence MeSH
Isochores MeSH
DeCS ID: 1504
Unique ID: D001482
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1980/01/01
Date of Entry: 1979/05/24
Revision Date: 2008/07/08
Base Composition - Preferred
Concept UI M0002201
Scope note The relative amounts of the PURINES and PYRIMIDINES in a nucleic acid.
Preferred term Base Composition
Entry term(s) Base Compositions
Composition, Base
Compositions, Base
G+C Composition - Narrower
Concept UI M0399901
Preferred term G+C Composition
Entry term(s) Composition, G+C
Composition, GC
Compositions, G+C
Compositions, GC
Content, G+C
Content, GC
Contents, G+C
Contents, GC
G+C Compositions
G+C Content
G+C Contents
GC Composition
GC Compositions
GC Content
GC Contents
Guanine + Cytosine Composition
Guanine + Cytosine Content
Base Ratio - Narrower
Concept UI M0002202
Preferred term Base Ratio
Entry term(s) Base Ratios
Ratio, Base
Ratios, Base



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