[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"q-nurse-113-3-basic-medicine-004":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"lastmod":63},"基礎醫學","basic-medicine","基礎醫學(包括解剖學、生理學、病理學、藥理學、微生物學與免疫學)",{"id":8,"webId":9,"year":10,"session":11,"subject":4,"number":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"explanation":22,"explanationDeep":23,"topics":24,"freq":27},"nurse-113-3-基礎醫學-004","nurse-113-3-basic-medicine-004",113,3,4,"DNA 雙股結構中的腺嘌呤（adenine）主要與下列何者配對？",{"A":15,"B":16,"C":17,"D":18},"腺嘌呤（adenine）","鳥糞嘌呤（guanine）","胞嘧啶（cytosine）","胸腺嘧啶（thymine）","D",null,[],"本題考點在於 DNA 雙股結構中的鹼基互補配對法則(base pairing rule)。依 Watson-Crick 鹼基配對原則,腺嘌呤(adenine, A)固定與胸腺嘧啶(thymine, T)以兩個氫鍵配對,故選 D。選項 A 腺嘌呤與腺嘌呤同為嘌呤,兩個雙環鹼基無法互補配對;選項 B 鳥糞嘌呤(guanine, G)是與胞嘧啶(cytosine, C)配對的對象,而非腺嘌呤;選項 C 胞嘧啶配對的是鳥糞嘌呤,亦非腺嘌呤。核心法則為 A–T、G–C,且必為一個嘌呤配一個嘧啶以維持雙螺旋直徑一致。判斷關鍵在於牢記「A 配 T、G 配 C」的鹼基互補與嘌呤—嘧啶配對原則。","鹼基分類與配對:嘌呤(雙環)含腺嘌呤 A、鳥糞嘌呤 G;嘧啶(單環)含胞嘧啶 C、胸腺嘧啶 T(RNA 中以尿嘧啶 U 取代 T)。氫鍵數:A=T 兩個氫鍵、G≡C 三個氫鍵,故 G-C 含量高者 DNA 較穩定、解鏈溫度較高。RNA 中 A 則與 U 配對。互補配對是 DNA 複製、轉錄與 PCR 擴增的分子基礎,記憶口訣「AT 兩鍵、GC 三鍵,嘌呤永遠配嘧啶」。",[25,28,30,32],{"term":26,"count":27},"DNA 鹼基互補配對",1,{"term":29,"count":27},"腺嘌呤—胸腺嘧啶 A-T",{"term":31,"count":27},"嘌呤與嘧啶配對",{"term":33,"count":27},"Watson-Crick 配對法則",[35,39,44,48,53,58],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-113-3-basic-medicine-005","關於第 7 肋骨的描述下列何者錯誤？",5,{"webId":40,"stem":41,"number":27,"year":42,"session":43},"nurse-114-2-basic-medicine-001","有關濾泡刺激素（follicle-stimulating hormone）的敘述，下列何者錯誤？",114,2,{"webId":45,"stem":46,"number":47,"year":42,"session":11},"nurse-114-3-basic-medicine-045","關於細菌毒素與毒性作用的相關性，下列敘述何者正確？",45,{"webId":49,"stem":50,"number":51,"year":52,"session":43},"nurse-106-2-basic-medicine-013","下列那兩種皆屬於腹膜後器官？",13,106,{"webId":54,"stem":55,"number":56,"year":57,"session":43},"nurse-107-2-basic-medicine-057","下列抗血小板凝集藥物中，何者之作用機制為抑制磷酸雙酯酶（phosphodiesterase）？",57,107,{"webId":59,"stem":60,"number":61,"year":62,"session":27},"nurse-109-1-basic-medicine-011","下列何者是由入球小動脈（afferent arteriole）的管壁平滑肌細胞特化形成，能分泌腎活素（renin）調節血壓？",11,109,"2026-09-04",1788510751528]