高效液相色谱法测定庆大霉素C组分()
A.在紫外光照射下能产生荧光
B.将药物组分合成为衍生物
C.麦芽酚反应
D.重氮-偶合反应
E.硫酸-硝酸呈色反应
参考答案:B
(a) Compute the taxable income of Mr Nadershah Bunvala for the tax year 2009 under the appropriate heads of income, giving clear reasons/explanations for the inclusion or exclusion in the computation of taxable income and tax payable of each of the items listed.Note: the reasons/explanations for the items not listed in the computation of taxable income should be shown separately from the other reasons/explanations. (20 marks)
下列关于病毒复制周期的叙述中,正确的是()
A.吸附、穿入、脱壳、生物合成、装配与释放
B.吸附、脱壳、生物合成、装配与释放
C.吸附、接合、穿入、生物合成、装配及释放
D.结合、复制、组装及释放
E.特异性结合、脱壳、复制、装配与释放