【单选题】下列选项中,18世纪英国工业革命的标志是:
【单选题】Which amino acid can produce γ-aminobutyric acid by decarboxylation?
【多选题】法国大革命期间,群体中易变的意见比以往都多的原因是()。
【单选题】Which of the following amino acid can produce PAPS?
【判断题】任何一个算法所包含的计算步骤都是有限的程序则不一定满足该性质。
【单选题】Which amino acid can produce α-ketoglutaric acid directly by deamination
【单选题】Which of the following amino acid can produce PAPS?