purine

/ˈpjʊəɹiːn/

Meanings

noun

嘌呤

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." "

腺嘌呤和鸟嘌呤是DNA中发现的两种嘌呤。

Related Words

organic noun

/ɔːˈɡænɪk/ /ɔɹˈɡænɪk/

有机化合物

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

这位化学家研究了这种有机化合物的性质。

nitrogenous adjective

/naɪˈtrɑdʒənəs/ /nəˈtrɑdʒənəs/

含氮的，氮的.

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

植物肥料通常含有含氮化合物，以帮助植物生长。

pyrimidine noun

/paɪˈɹɪ.mɪˌdiːn/

嘧啶

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

在生物课上，我们学到胞嘧啶、胸腺嘧啶和尿嘧啶这三种DNA和RNA的重要组成部分，都属于嘧啶碱基。

imidazole noun

/ɪˈmɪdəzoʊl/ /ˈɪmɪˌdæzoʊl/

咪唑，乙二唑.

"Many important biological molecules contain imidazole rings. "

许多重要的生物分子都含有咪唑环（或乙二唑环）。

composed verb

/kəmˈpəʊzd/ /kəmˈpoʊzd/

组成，构成。

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

编辑将许多单独的信件汇编成了一本历史期刊。

guanine noun

/ˈɡwɑː.niːn/

鸟嘌呤

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

科学家研究了从古代化石中提取的DNA样本中的鸟嘌呤含量。

heterocyclic noun

/ˌhɛtəroʊˈsaɪklɪk/ /ˌhɛtərəˈsaɪklɪk/

杂环，杂环化合物

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

这家制药公司正在研发一种新药，其中含有一种特定的杂环化合物，这种化合物因其潜在的抗炎特性而闻名。

components noun

/kəmˈpoʊnənts/ /kɑmˈpoʊnənts/

零件，部件。

"A CPU is a component of a computer."

中央处理器(CPU)是电脑的一个零件。

adenine noun

/ˈæ.dəˌniːn/

腺嘌呤

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

在DNA链中，腺嘌呤总是和胸腺嘧啶配对，就像两块拼图完美地拼合在一起。

pyrimidines noun

/pɪˈrɪmɪdiːnz/ /paɪˈrɪmɪdiːnz/

嘧啶

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

科学课上解释说，嘧啶，比如胸腺嘧啶和胞嘧啶，是DNA遗传密码的重要组成部分。

constitute noun

/ˈkɒnstɪtjuːt/ /ˈkɑnstɪt(j)uːt/

成文法，法规。

"The new school rules constitute the student handbook. "

新的学校规章构成了学生手册的成文法依据。

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

营地，场地。

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

战争期间，难民们为了安全起见，居住在有警卫的营地里。