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12．如图为核苷酸结构相关的叙述不正确的是 A．图中a为磷酸b为五碳糖b．dna中的b为脱氧核糖c．人体细胞内c共有5钟d．噬菌体内b Template






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sketch 3599 Lovely pencil face
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sketch 4287 eye
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sketch 5223 Elsa from Frozen by Ben De Jesus
sketch 2723 by Sam Torres
sketch 2624 Pikachu by sketchmaster
sketch 4264 oh yeah
sketch 20215 Desert
sketch 2919 Winnie the Pooh by Greet Kros-Lolkus
sketch 5297 Journey by Dmitry Sidorenko





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tomski12．如图为核苷酸结构相关的叙述不正确的是 a．图中a为磷酸b为五碳糖b．dna中的b为脱氧核糖c．人体细胞内c共有5钟d．噬菌体内b coloring
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如图为核苷酸链结构图请据图完成下列问题1能构成一个完整核苷酸的是 ．动物细胞中核苷酸共有 种．2各核苷酸之间是通过 连接起来的 sketch template
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53．下图是某核苷酸与核苷酸长链的示意图据图回答问题 1已知图1的分子结构式左上角的含氮碱基为腺嘌A 请观察后回答下列问题 sketch template
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如图是某核苷酸与核苷酸链示意图据图回答问题1据图一已知分子结构式的左上角基团为碱基 腺嘌．请观察后回答下列问题此核苷酸的生物学 sketch template
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