Phenomena and Processes

Base Composition

The relative amounts of the PURINES and PYRIMIDINES in a nucleic acid.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The relative amounts of the PURINES and PYRIMIDINES in a nucleic acid.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

25 entry terms
  • Base Compositions
  • Composition, Base
  • Compositions, Base
  • Base Ratio
  • G+C Composition
  • G+C Content
  • GC Composition
  • GC Content
  • Guanine + Cytosine Composition
  • Guanine + Cytosine Content
  • Base Ratios
  • 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 Contents
  • GC Compositions
  • GC Contents
  • Ratio, Base
  • Ratios, Base

MeSH Record

Aspects Covered

5 allowable subheadings

Indexed with the subheadings drug effects, genetics, immunology, physiology, radiation effects.

MeSH Record

Indexing 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

MeSH Record

History Note

80

MeSH Hierarchy

Tree Number

  1. G02.111.080

AMA Style

References

  1. National Library of Medicine. Base Composition. Medical Subject Headings (MeSH). 2026. Unique ID D001482. http://id.nlm.nih.gov/mesh/2026/D001482
  2. Base Composition. In: Wikidata. https://www.wikidata.org/wiki/Q71225152