purine

/ˈpjʊəɹiːn/

Meanings

noun

Any of a class of organic heterocyclic compounds, composed of fused pyrimidine and imidazole rings, that constitute one of the two groups of organic nitrogenous bases (the other being the pyrimidines) and are components of nucleic acids.

Examples :

""Adenine and guanine are two types of purine found in DNA." "

Related Words

organic noun

/ɔːˈɡænɪk/ /ɔɹˈɡænɪk/

An organic compound.

"The chemist studied the properties of the organic compound. "

nitrogenous adjective

/naɪˈtrɑdʒənəs/ /nəˈtrɑdʒənəs/

Of, relating to, or containing nitrogen

"Plant fertilizer often contains nitrogenous compounds to help plants grow. "

pyrimidine noun

/paɪˈɹɪ.mɪˌdiːn/

A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosine

"In biology class, we learned that cytosine, thymine, and uracil, three important building blocks of DNA and RNA, are all types of pyrimidine bases. "

imidazole noun

/ɪˈmɪdəzoʊl/ /ˈɪmɪˌdæzoʊl/

A heterocyclic organic compound containing two nitrogen atoms separated by a carbon atom in a five-membered ring, called 1,3-diazole in IUPAC nomenclature.

"Many important biological molecules contain imidazole rings. "

composed verb

/kəmˈpəʊzd/ /kəmˈpoʊzd/

To make something by merging parts.

"The editor composed a historical journal from many individual letters."

guanine noun

/ˈɡwɑː.niːn/

A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds).

"The scientist studied the guanine content in the DNA samples from the ancient fossils. "

heterocyclic noun

/ˌhɛtəroʊˈsaɪklɪk/ /ˌhɛtərəˈsaɪklɪk/

A heterocycle

"The pharmaceutical company is researching a new drug that contains a specific heterocycle known for its potential anti-inflammatory properties. "

components noun

/kəmˈpoʊnənts/ /kɑmˈpoʊnənts/

A smaller, self-contained part of a larger entity. Often refers to a manufactured object that is part of a larger device.

"A CPU is a component of a computer."

adenine noun

/ˈæ.dəˌniːn/

A base, C5H5N5, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA.

"Simple Sentence: "In a DNA strand, adenine always pairs with thymine, like two puzzle pieces fitting together." "

pyrimidines noun

/pɪˈrɪmɪdiːnz/ /paɪˈrɪmɪdiːnz/

A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosine

"The science lesson explained that pyrimidines, like thymine and cytosine, are essential building blocks of DNA's genetic code. "

constitute noun

/ˈkɒnstɪtjuːt/ /ˈkɑnstɪt(j)uːt/

An established law.

"The new school rules constitute the student handbook. "

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

An enclosure within which workers, prisoners, or soldiers are confined

""During the war, the refugees lived in guarded compounds for their safety." "