[{"data":1,"prerenderedAt":124},["ShallowReactive",2],{"word-cytosine":3},{"source":4,"data":5,"quality_score":122,"lastmod":123},"static_word_details",{"lemma":6,"phonetic":7,"pos":9,"definition_zh":11,"usage_points":12,"collocations":34,"examples_basic":81,"examples_advanced":91,"common_mistakes":101,"synonyms_nuance":109,"diff_pairs":118,"word_family":121},"cytosine",{"us":8,"uk":8},"'saitәsi:n",[10],"名词","胞嘧啶是一种含氮碱基，是DNA和RNA的四种基本组成成分之一，在遗传信息传递中起关键作用。",[13,20,27],{"title":14,"content":15,"examples":16},"句型搭配","cytosine通常作为名词使用，在句子中作主语、宾语或定语，常见于描述DNA结构、基因突变或生物化学过程的句子中。",[17,18,19],"Cytosine pairs with guanine in DNA.","The mutation involves a change from cytosine to thymine.","Cytosine methylation is an important epigenetic modification.",{"title":21,"content":22,"examples":23},"介词用法","cytosine常与介词如in、with、to、from等搭配，表示在DNA中、与鸟嘌呤配对、转变为其他碱基等关系。",[24,25,26],"Cytosine in RNA can be modified.","It pairs with guanine via hydrogen bonds.","The change from cytosine to uracil occurs in RNA.",{"title":28,"content":29,"examples":30},"语域说明","cytosine是高度专业化的科学术语，主要用于生物学、化学、医学等学术领域，日常对话中极少使用，属于正式语体。",[31,32,33],"In molecular biology, cytosine is essential for genetic coding.","The lab report detailed cytosine levels in the sample.","Research focuses on cytosine deamination mechanisms.",[35,43,51,59,66,73],{"type":36,"items":37},"verb",[38,39,40,41,42],"pair with","methylate","deaminate","modify","bind to",{"type":44,"items":45},"adjective",[46,47,48,49,50],"methylated","deaminated","modified","natural","synthetic",{"type":52,"items":53},"noun",[54,55,56,57,58],"DNA cytosine","RNA cytosine","cytosine base","cytosine residue","cytosine analogue",{"type":60,"items":61},"adverb",[62,63,64,65],"commonly","specifically","chemically","biologically",{"type":67,"items":68},"preposition",[69,70,71,72],"in DNA","with guanine","to thymine","from adenine",{"type":74,"items":75},"phrase",[76,77,78,79,80],"cytosine-guanine pair","cytosine methylation","cytosine deamination","cytosine phosphate","cytosine derivative",[82,85,88],{"en":83,"zh":84},"In biology class, we learned that cytosine is one of the four bases in DNA.","在生物课上，我们学到胞嘧啶是DNA中的四种碱基之一。",{"en":86,"zh":87},"The teacher explained how cytosine always pairs with guanine in the DNA double helix.","老师解释了在DNA双螺旋中，胞嘧啶总是与鸟嘌呤配对。",{"en":89,"zh":90},"I read that mutations can occur when cytosine changes to another base like thymine.","我读到当胞嘧啶转变为其他碱基如胸腺嘧啶时，可能会发生突变。",[92,95,98],{"en":93,"zh":94},"The research paper demonstrates that cytosine methylation plays a crucial role in gene expression regulation in eukaryotic cells.","这篇研究论文表明，胞嘧啶甲基化在真核细胞的基因表达调控中起着关键作用。",{"en":96,"zh":97},"In genetic engineering, targeted modification of cytosine bases can be used to correct mutations associated with hereditary diseases.","在基因工程中，靶向修饰胞嘧啶碱基可用于纠正与遗传疾病相关的突变。",{"en":99,"zh":100},"The pharmaceutical company is developing drugs that inhibit cytosine deaminase to treat certain types of cancer.","这家制药公司正在开发抑制胞嘧啶脱氨酶的药物，以治疗某些类型的癌症。",[102,106],{"wrong":103,"right":104,"explanation":105},"Cytosine is a protein in DNA.","Cytosine is a nitrogenous base in DNA.","错误地将cytosine归类为蛋白质；正确说法是它是一种含氮碱基，属于核酸的组成部分，而非蛋白质。",{"wrong":107,"right":17,"explanation":108},"Cytosine pairs with adenine in DNA.","混淆了碱基配对规则；在DNA中，胞嘧啶（C）与鸟嘌呤（G）通过氢键配对，而不是与腺嘌呤（A）配对。",[110,114],{"word":111,"difference":112,"example":113},"thymine","thymine是DNA中的另一种碱基，通常与腺嘌呤配对，而cytosine与鸟嘌呤配对；在RNA中，thymine被尿嘧啶取代，但cytosine仍存在。","In DNA, cytosine pairs with guanine, whereas thymine pairs with adenine.",{"word":115,"difference":116,"example":117},"uracil","uracil是RNA中的碱基，在结构上与cytosine相似但缺少一个甲基基团；在DNA中，cytosine存在，而uracil通常被thymine替代。","Cytosine is found in both DNA and RNA, but uracil is only in RNA, replacing thymine.",[119,120,111],"adenine","guanine",[],70,"2026-01-09T02:33:38.233Z",1784307030020]