PHENOMENA AND PROCESSES Chemical Phenomena [G02] Chemical Phenomena Biochemical Phenomena [G02.111] Biochemical Phenomena Acid-Base Equilibrium [G02.111.007] Acid-Base Equilibrium Acylation [G02.111.012] Acylation Aerobiosis [G02.111.017] Aerobiosis Agglutination [G02.111.026] Agglutination Alkylation [G02.111.035] Alkylation Allosteric Regulation [G02.111.044] Allosteric Regulation Amination [G02.111.053] Amination Anaerobiosis [G02.111.062] Anaerobiosis Autotrophic Processes [G02.111.071] Autotrophic Processes Base Composition [G02.111.080] Base Composition Binding, Competitive [G02.111.084] Binding, Competitive Biocatalysis [G02.111.086] Biocatalysis Biomineralization [G02.111.092] Biomineralization Biosynthetic Pathways [G02.111.098] Biosynthetic Pathways Biotinylation [G02.111.109] Biotinylation Body Composition [G02.111.130] Body Composition Brain Chemistry [G02.111.150] Brain Chemistry Carbohydrate Metabolism [G02.111.158] Carbohydrate Metabolism Citric Acid Cycle [G02.111.165] Citric Acid Cycle Cyclization [G02.111.180] Cyclization Dealkylation [G02.111.188] Dealkylation Deamination [G02.111.192] Deamination Decarboxylation [G02.111.195] Decarboxylation DNA Cleavage [G02.111.210] DNA Cleavage DNA Methylation [G02.111.218] DNA Methylation DNA Repair [G02.111.222] DNA Repair DNA Replication [G02.111.225] DNA Replication Down-Regulation [G02.111.240] Down-Regulation Electron Transport [G02.111.248] Electron Transport Energy Transfer [G02.111.255] Energy Transfer Enzyme Activation [G02.111.263] Enzyme Activation Esterification [G02.111.270] Esterification Halogenation [G02.111.323] Halogenation Heterotrophic Processes [G02.111.375] Heterotrophic Processes Hydrogenation [G02.111.380] Hydrogenation Hydroxylation [G02.111.385] Hydroxylation Kinetics [G02.111.490] Kinetics Lipid Peroxidation [G02.111.515] Lipid Peroxidation Lipogenesis [G02.111.528] Lipogenesis Lipolysis [G02.111.534] Lipolysis Lipoylation [G02.111.540] Lipoylation Membrane Fluidity [G02.111.550] Membrane Fluidity Molecular Mimicry [G02.111.560] Molecular Mimicry Molecular Structure [G02.111.570] Molecular Structure Nitrogen Cycle [G02.111.587] Nitrogen Cycle Nitrosation [G02.111.595] Nitrosation Nucleic Acid Denaturation [G02.111.603] Nucleic Acid Denaturation Nucleic Acid Hybridization [G02.111.611] Nucleic Acid Hybridization Nucleic Acid Renaturation [G02.111.619] Nucleic Acid Renaturation Osmoregulation [G02.111.635] Osmoregulation Osmosis [G02.111.655] Osmosis Peptide Biosynthesis [G02.111.660] Peptide Biosynthesis Phosphorylation [G02.111.665] Phosphorylation Phototrophic Processes [G02.111.669] Phototrophic Processes Prenylation [G02.111.672] Prenylation Protein Aggregation, Pathological [G02.111.675] Protein Aggregation, Pathological Protein Binding [G02.111.679] Protein Binding Protein Folding [G02.111.688] Protein Folding Protein Modification, Translational [G02.111.691] Protein Modification, Translational Protein Multimerization [G02.111.694] Protein Multimerization Protein Stability [G02.111.700] Protein Stability Proteolysis [G02.111.720] Proteolysis Proteostasis [G02.111.730] Proteostasis RNA Cleavage [G02.111.740] RNA Cleavage RNA Folding [G02.111.750] RNA Folding RNA Processing, Post-Transcriptional [G02.111.760] RNA Processing, Post-Transcriptional RNA Replication [G02.111.770] RNA Replication RNA Stability [G02.111.780] RNA Stability Sequence Homology [G02.111.810] Sequence Homology Signal Transduction [G02.111.820] Signal Transduction Structure-Activity Relationship [G02.111.830] Structure-Activity Relationship Substrate Cycling [G02.111.833] Substrate Cycling Substrate Specificity [G02.111.835] Substrate Specificity Transcription, Genetic [G02.111.873] Transcription, Genetic Up-Regulation [G02.111.905] Up-Regulation

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