Serine proteases : to promote a reaction that is almost immeasurably slow at neutral pH in the absence of a catalyst. 将pH 7.0几乎不发生 的反应(蛋白质水解)进行下去 -Carbonic anhydrases: to achieve a high absolute rate of reaction,suitable for integration with other rapid physiological processes. 加速以与其他快速生理过程融合 -Restriction endonucleases, to attain a high degree of specificity.实现 酶切反应的高度特异性 - NMP kinases: to transfer a phosphoryl group from AT P to a nucleotide and not to water.磷酸基团从ATP转移给另一个核苷酸(而不 会转移到水分子)
1. Software Testing Background a. What is the software defect? b. Why do bugs occur? c. The Cost of bugs? d. What exactly does a tester do? e. The making of a software tester 2. The Software Development Process a. What is a software product? b. Software Project staff c. Software Lifecycle Models 3. The Realities of Software Testing a. Testing Principles b. Terms and Definitions for software testing