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第Ⅰ卷 选择题1 .植物细胞中 ,都有矿质元素参与组成的一组有机物是 ( )Ａ .核糖和脱氧核糖 Ｂ .丙氨酸和丙酮酸Ｃ .叶绿素和纤维素 Ｄ .ＡＴＰ和ＲＮＡ2 .已知某蛋白质分子由 2条肽链组成 ,在合成蛋白质的过程中生成 3.0× 1 0 - 2 1ｇ的水 ,
Volume I Multiple Choice 1. In plant cells, there are a group of organic elements that are involved in the composition of (A) ribose and deoxyribose B. Alanine and pyruvate C. Chlorophyll and cellulose D. ATP and RNA2. It is known that a protein molecule is composed of two peptide chains, and 3.0×10 −1 1g of water is generated during the process of protein synthesis.