【简答题】蛋白质的基本构件分子是20种常见的______,除______是α-亚氨基酸外,其余均为______。
【判断题】The production of goods to produce other goods may also be considered as investing.
【判断题】因为金刚石坚硬,所以其在 298.15 K 时的标准摩尔生成焓为 0 。
【判断题】According to the comparative cost theory, countries should specialize in the production of goods and services that can produce most efficiently. A country is said to have a comparative advantage in th...
【判断题】蛋白质的基本结构单位是氨基酸,蛋白质在不同条件下水解的最终产物都是氨基酸。