Last Updated：2025/11/19
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The researcher isolated a modified nucleoside from the RNA sample to study its role in gene regulation.
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The researcher isolated a modified nucleoside from the RNA sample to study its role in gene regulation.
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Related words
nucleoside
Noun
(biochemistry)
an
organic
molecule
in
which
a
nitrogenous
heterocyclic
base
(or
nucleobase),
which
can
be
either
a
double-ringed
purine
or
a
single-ringed
pyrimidine,
is
covalently
attached
to
a
five-carbon
pentose
sugar
(deoxyribose
in
DNA
or
ribose
in
RNA).
When
the
phosphate
group
is
covalently
attached
to
the
pentose
sugar,
it
forms
a
nucleotide.
Japanese Meaning
ヌクレオシド：生化学における有機分子で、窒素を含む異環性塩基（プリンの場合は二環式、ピリミジンの場合は一環式）が五炭糖（DNAではデオキシリボース、RNAではリボース）に共有結合している。なお、これにリン酸が付加するとヌクレオチドとなる。
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