Humans turn out to be really bad at starting from a simple linear chain of proteins; they need a rough idea of what the protein might look like before they can recognize patterns to optimize.
从一条简单的线性蛋白质链起步时，人类的表现的确很糟糕；在识别出待优化的模式之前，他们需要对蛋白质的样子有个大致的了解。
Biofuel producers use the proteins to break down the complex carbohydrates in plant cells into a soup - like mixture of simple sugars that yeast can eat.
生物燃料产生者利用蛋白质把植物细胞内的碳水化合物分解成一种可以被酶菌食用的粘稠状单糖混合物。
In theory, manipulating RNAi to kill proteins is simple.
这一理论中，操控RNAi来杀死蛋白质并不难。
On the other hand, the sequencing of proteins is relatively fast, simple, and inexpensive.
而另一方面，蛋白质测序则显得相对简单、快捷和廉价。
Because of their low molecular weights, simple structures and clear mechanism, CMTIs are used as tools for the study of the structure-function relationships of active proteins and their mechanism.
CMTI的成员分子量小、结构简单、作用机制清楚，是研究活性蛋白质分子结构与功能关系及作用机制的良好工具。
Carbohydrates are made of simple sugars, proteins are made up of 20 amino acids, and nucleic acids are compose of oxy - and deoxy - nucleic sugars and 5 base pairs.
其中碳水化合物都是由单糖构成的，蛋白质是由20种氨基酸构成的，核酸是由核糖、脱氧核糖、和5种碱基构成。
Health officials should give simple guidance focused on portion sizes and unprocessed foods instead of focusing on fat, carbohydrates and proteins, said the researchers from Harvard.
来自哈佛大学的研究人员说：“卫生部门应该给出简单的指导，专注于饮食量和未加工食物，而不是关注脂肪、糖类和蛋白质。”
Health officials should give simple guidance focused on portion sizes and unprocessed foods instead of focusing on fat, carbohydrates and proteins, said the researchers from Harvard.
来自哈佛大学的研究人员说：“卫生部门应该给出简单的指导，专注于饮食量和未加工食物，而不是关注脂肪、糖类和蛋白质。”
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