英语周报高一2819-2028答案

23.(10分,除标注外,每空1分)(1)1分子脱氧核糖、1分子腺嘌呤dATP和细胞色素C细胞色素C(2)线粒体内膜除去匀浆中原有细胞色CdATP细胞色素C3)完整细胞中的细胞色素C在线粒体中,被线粒体膜隔开,无法和dATP共同作用于CPP32(只要表达出细胞色繁C在线粒体中被隔开的意思即可)(3分)【解析】(1)类比ATP的结构,可以推断dATP完全水解得到三分子磷酸、1分子脱氧核糖和1分子腺嘌呤;分析图1,发现存在dATP的情况下,随着细胞色素C浓度增加,凋亡数目增加,说明dATP和细胞色素C促进细胞凋亡。(2)[H]和氧气的结合是有氧呼吸的第三阶段,场所为线粒体内膜;根据抗原与抗体专一性结合的原理细胞色素C的抗体作用为除去细胞匀浆的细胞色素C;2和4对照,说明②是细胞色素C,那么①为氵dATP(3)完整的细胞中细胞色素C位于线粒体内,dATP与细胞色素C不能结合共同作用于CPP32。

Paragraph 1On Monday morning, hiding behind the window, wesoon saw what we were waiting for. It turned out that there They were too funny as they hopped away holding theirwere three of them from our school. They sneaked up on injured feet. We just couldn't contain our happiness andour snowman and sneered. Taking their places on either i excitement. With a hearty laugh, we came out of hidingside, they pulled back their legs to deliver powerful kicks. and sprang into the yard from inside the house. " An eye forBut the moment they hit the hard ice block of the base,. an eye! Justice done! "We yelled behind them. And thatsneers turned into shock, then agony and tears. They was the end of our problems with the snow bullies. Everhowled and cursed, gritting their teeth and stomping their i since then, our snowman was kept guarded and intact untilhappily melted into spring water and finally wove into ourParagraph 2sweetest childhood memoriesSeeing their pained looks, we couldn t help laughing

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