论文部分内容阅读
一、选择题 :本题包括 2 6小题 ,每题 2分 ,共 5 2分。每小题只有一个选项符合题意。1.生物体内的蛋白质千差万别 ,其原因不可能是Ａ .组成肽键的化学元素不同Ｂ .组成蛋白质的氨基酸种类和数量不同Ｃ .氨基酸排列顺序不同Ｄ .蛋白质的空间结构不同2 .下列细胞结构中 ,在普通光
First, multiple-choice questions: This question consists of 26 questions, 2 points for each question, a total of 52 points. There is only one option for each question. 1. Proteins in living organisms vary widely. The reason is not likely to be A. The chemical elements that make up the peptide bond are different B. The amino acid type and amount of the constituent proteins are different C. The amino acid arrangement order is different D. The spatial structure of the protein is different 2. The following cell structures In the ordinary light