大气是人类和一切生物赖以生存的必需条件。大气质量的优劣,对人体健康和 整个生态系统都有着直接的影响。人类又通过各种生产和生活活动影响和改变着大 气环境,使其质量恶化,甚至造成严重的大气污染事件

第一节 测定生长繁殖的方法 第二节 微生物的生长规律 第三节 影响微生物生长的主要因素 第四节 微生物的纯培养

• 能量代谢是微生物代谢的核心。 • 能量代谢的的中心任务，是将外界环境中多种形式的初级能源转化 为适用于一切生命活动的通用能源ATP。最初能源－－通用能源 • 微生物可利用的初级能源为有机物、日光及还原态无机物3大类。 • 能量代谢的实质就是将这3大类初级能源逐步转化为ATP的过程

Dictionary A chemical-shift reference is used to define the (CH3)4SI positions of the resonances in the spectrum in terms of parts-per-million, or ppm, of frequency It is a material which is often directly added to the

nature publishing group http://structbio.nature.com news and views Department of Biological Sciences. chem.276146-116200 Columbia University, New York, New York 6. Chen,.. Sharma, 5. Quiocho, F.A. Davidson. A.L. 15. Jones. P.M. George. A.M. FEMS Microbiol. Lett

MACINETIC RESONANCE ELSEVIER Progress in Nuclear Magnetic Resonance Spectroscopy 32(1998)287-387 The use of nmr methods for conformational studies of nucleic acids Sybren S. Wijmenga*, Bernd N M. van Buuren Umed University, Department of Medical Biochemistry and Biophysics, S 90187 Umed, Sweden

NMR of drugs and ligands bound to receptors Anthony Watts NMR methods are now able to give detailed structural, dynamic of these still not identified or classed into families [4\]. and electronic information about drugs and ligands while

NMR supplement Hendrickson, W-A& Wuthrich, K Macromolecular 16. Leahy, D.J., Aukhil, I.& Erickson, H.P. 2.0 Cell 84 A K.D. thanks the Wellcome Trust and The queens 2D0i9 Riddiough. G. Nature Struct. Biol 18. sakaning. AK Kean. cel l8r.597-605i(eRw& by the Wellcome Trust. The authors acknowledge

4 DQF-COSY, Relayed-COSY, TOCSY Gerd Gemmecker 1999 Double-quantum filtered cOSY The phase problem of normal COsY can be circumvented by the dQF-COSY, using the MQc term generated by the second 90 pulse Ilz cos( @2t1) cos( t1) polarization

一、填空(每小题1分,共10分) 1.真核微生物核糖体类型为 2.大肠杆菌长为2.0μm,宽为0.5μm,其大小表示为 3.研究细菌遗传、代谢性能常采用时期的细胞