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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

matter go
that which has mass and occupies space

substance go
the real physical matter of which a person or thing consists

material, stuff go
the tangible substance that goes into the makeup of a physical object

chemical, chemical substance go
material produced by or used in a reaction involving changes in atoms or molecules

compound, chemical compound go
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

polymer go
a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers

deoxyribonucleic acid, desoxyribonucleic acid, DNA
(biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix

noun.substance

9 Subcategories

operon go
a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene
complementary DNA, cDNA go
single-stranded DNA that is complementary to messenger RNA or DNA that has been synthesized from messenger RNA by reverse transcriptase
episome go
DNA that is not incorporated into the genome but is replicated together with the genome (especially in bacterial cells)
exon, coding DNA go
sequence of a gene's DNA that transcribes into protein structures
intron, noncoding DNA go
sequence of a eukaryotic gene's DNA that is not translated into a protein
junk DNA go
stretches of DNA that do not code for genes
recombinant deoxyribonucleic acid, recombinant DNA go
genetically engineered DNA made by recombining fragments of DNA from different organisms
sticky end go
an end of DNA in which one strand of the double helix extends a few units beyond the other
transposon, jumping gene go
a segment of DNA that can become integrated at many different sites along a chromosome (especially a segment of bacterial DNA that can be translocated as a whole)