IB DP Biology: HL复习笔记2.5.3 Skills: DNA Replication
Meselson & Stahl's Experiments Analysis of Meselson and Stahl’s results to obtain support for the theory of semi-conservative replication of DNA Crick and Watson, as they defined the shape of D...
IB DP Biology: HL复习笔记2.5.2 DNA Replication
DNA Replication The replication of DNA is semi-conservative and depends on complementary base pairing Semi-conservative means that one strand of the 'parent' DNA is kept in the 'daughter' molecule ...
IB DP Biology: HL复习笔记2.5.1 DNA & RNA Structure
Nucleic Acids: Structure The nucleic acids DNA and RNA are polymers of nucleotides Both DNA and RNA are polymers that are made up of many repeating units called nucleotides Each nucleotide is forme...
IB DP Biology: HL复习笔记2.4.3 Skills: Enzyme Experiments
Practical 3: Enzyme Experiments Design of experiments to test the effect of temperature, pH and substrate concentration on the activity of enzymes Three different independent variables can be teste...
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英国留学，语言成绩是必不可少的，雅思作为留学生常选的语言考试类型，一直都受到英国各大学的广泛认可。英国留学雅思报考哪个类型？有效期是多久呢？带着这些疑问，我们来看一下英国留学雅思常见热点问题答疑。 ...
美国物理专业院校排名及就业前景分析！
美国的物理学科世界闻名，不论是在师资，教学设施，课程方面还是在学科信念，教学制度上，美国的物理专业都引领着世界物理学的发展。今天我们一起来看看在美国学物理专业院校排名及就业前景分析！ 物理的理论方向...
IB DP Biology: HL复习笔记2.4.2 Immobilised Enzymes
Immobilised Enzymes Immobilised enzymes are widely used in industry Just before 1900, it was discovered that enzymes could be used to catalyse production of alcohol in the absence of yeast cell Sin...
IB DP Biology: HL复习笔记2.4.1 Enzymes
Structure of Enzymes Enzymes are biological catalysts ‘Biological’ because they function in living systems ‘Catalysts’ because they speed up the rate of chemical reactions without being used up or ...
2022年第五届华教杯全国大学生数学竞赛报名开启！
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