一、蛋白质的降解 构成生物细胞的主要成分蛋白质,在生物体内总是 不断地进行着新陈代谢。 (一)细胞内部蛋白质的降解: 蛋白质的新陈代谢是很活跃的。一个体重 70公斤的人,吃一般膳食,每天可有400克的蛋 白质发生变化。其中四分之一被氧化降解或转变 成葡萄糖,并由外源蛋白质补充,四分之三在体 内进行再循环重新使用

一、分解代谢的三步曲 二、线粒体呼吸链的组成

10.1 概述 烃化指的是在有机分子中的碳硅氮磷氧和硫等原子上引入烃基的总称。本章只讨论N-烃化、O-烃化和C-烃化。 10.2 N-烃化 有机分子中氨基上氢原子被烃基取代的反应叫N-烃化。 1）用醇类的N-烷化 醇类是弱烷化剂，芳胺的碱性也较弱，要求相当高的反应温度。 液相高压N-烷化一般用酸性催化剂如浓硫酸等。 气固相接触催化N-烷化的关键是催化剂的筛选

6.1CC系统安装与设置 6.2CCS菜单和工具栏 6.3CCS中的编译器、汇编器和链接器选项设置 6.4用CCS开发简单的程序 6.5在CCS中读取数据和数据的图形显示 6.6代码执行时间分析( Profiler的使用)

一、利息的概念及其本质 1、利息实际上是租用资金的代价。 一般认为,利息是使用借贷资金的报酬,是货币 资金所有者凭借对货币资金的所有权向这部分资金 的使用者索取的报酬

1.1数字电子技术基础 1.2数制与编码 1.3逻辑代数基础 1.4逻辑函数的化简 1.5逻辑函数的表示方法及其相互转换 1.6门电路

A1 Husbands Wives Redefinition and adjustment of both husband's and wife's needs and values in contemporary British society. The effects of newly-emerging work patterns upon the roles of husbands and wives within the family

Objectives If the family is central to people's lives, surely their next most significant experience is their education. In this chapter we will begin with a brief survey of the development of free universal education since the last century, and then take a closer look at the main institutions in which British people are formally educated

A1 Introduction Definition of crime--Crime is behaviour that breaks those rules of a society which are codified in the criminal law. (p131) Crimes are defined and punished by statutes and by the common law oIn changing society the opportunities for people to commit crimes also change. oChanges in patterns of work, in unemployment

Abstract In Chapter Seven we continue to look at the variety of ways in which people in Britain today spend their leisure time. We especially look at excursions away from home for a short or longer break. But we first look at the transport infrastructure of Great Britain a network of airports, railway lines, motorways and other roads, which, together, connect up the even remotest parts of the country and help to make