最終更新日：2025/11/19
(biochemistry) The monomer constituting DNA or RNA biopolymer molecules. Each nucleotide consists of a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine; a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA); and a phosphate group.
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nucleotide
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元となった辞書の項目
nucleotide
IPA（発音記号）
名詞
(biochemistry)
The
monomer
constituting
DNA
or
RNA
biopolymer
molecules.
Each
nucleotide
consists
of
a
nitrogenous
heterocyclic
base
(or
nucleobase),
which
can
be
either
a
double-ringed
purine
or
a
single-ringed
pyrimidine;
a
five-carbon
pentose
sugar
(deoxyribose
in
DNA
or
ribose
in
RNA);
and
a
phosphate
group.
日本語の意味
ヌクレオチド：DNAやRNAという生体高分子を構成する基本単位。各ヌクレオチドは、二環式または一環式の窒素含有塩基、五炭糖（DNAの場合はデオキシリボース、RNAの場合はリボース）、およびリン酸基から成る。
意味（1）
(biochemistry)
The
monomer
constituting
DNA
or
RNA
biopolymer
molecules.
Each
nucleotide
consists
of
a
nitrogenous
heterocyclic
base
(or
nucleobase),
which
can
be
either
a
double-ringed
purine
or
a
single-ringed
pyrimidine;
a
five-carbon
pentose
sugar
(deoxyribose
in
DNA
or
ribose
in
RNA);
and
a
phosphate
group.
（ plural ）
