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酿酒酵母多磷酸酶 PPN1 (uniprot/Q04119) 通过从链端切割 Pi 和将长链聚合物分解成较短的聚合物来降解无机多磷酸盐。在这项研究中，我们发现了这种蛋白质的新活性：它从 dATP 中释放磷酸盐。与外聚磷酸酶活性相比，纯 PPN1 的 dATP 磷酸水解酶活性低约 7 倍...

蓖麻油是众多产品的来源，也是脂肪酸蓖麻油酸酯、12-羟基油酸酯的唯一商业来源。氢化蓖麻油作为 12-羟基硬脂酸的来源同样有用，12-羟基硬脂酸最出名的是锂基润滑脂的成分。单酰基和二酰基甘油衍生自蓖麻油，可用于开发用于化妆品、药物和食品的润滑剂和乳化...

Although Marx himself did not directly have written articles in international relations theory, but his study of capitalism give enlightenment on many scholars in international relations. The latter using Marxist research methods to analyze...

Although Marx himself did not directly have written articles in international relations theory, but his study of capitalism give enlightenment on many scholars in international relations. The latter using Marxist research methods to analyze...

Essay 2 (2000 words) Answer one of the following questions with an essay of 2,000 words to be handed to me in person or emailed to me. 1. Explain what is meant by sovereignty and consider whether the significance of this concept has change...

Essay 1 (2000 words) Answer one of the following questions with an essay of 2,000 words to be handed to me in person or emailed to me. Is Realism a realistic approach for understanding contemporary global politics? How relevant is Marxist...

10. Sample Essays: Subculture Unit SAMPLE ESSAYS SUBCULTURE ASSIGNMENT Instructions: Use to help you understand the grading of your essay Assignment Review English 1A : Define A Popular Subculture Guiding Questions Writing Prompt Sample es...

药用植物余甘子在本土医学中起着至关重要的作用。在治疗上，这些植物的提取物可作为潜在的参与者，抑制与消化性溃疡和糖尿病管理相关的几种消化酶，这些酶的产生是由于此类酶的过量产生。评估了该提取物对胃蛋白酶、-淀粉酶、胰蛋白酶的抑制作用，以及热稳定...

耐热 -淀粉酶在斯里兰卡的商业工业应用中占有非常重要的地位。因此，本研究的主要目的是鉴定优质芽孢杆菌菌株并优化可产生高-淀粉酶产量的生长条件。三种芽孢杆菌菌株，解淀粉芽孢杆菌ATCC 23350、地衣芽孢杆菌ATCC 14580 和巨大芽孢杆菌ATCC 14581 用于该研...

Abstract: The business model of the sharing economy has posed new challenges for both consumers and regulators. The Chinese government has made efforts to improve the consumer protection regime by updating laws and establishing consumer re...