IB DP Biology: HL复习笔记2.6.2 Translation
Translation Translation is the synthesis of polypeptides on ribosomes This stage of protein synthesis occurs in the cytoplasm of the cell After leaving the nucleus, the mRNA molecule attaches to a ...
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全球权威的生物学术组织 鼓励学生挑战课堂以外的生物学知识 增加世界名校医学、生物等理科专业申请优势 英国皇家生物学会（简称 RSB）, 总部位于伦敦市中心，拥有 16000 多名会员，汇聚了 100 多个国家生物界的 ...
IB DP Biology: HL复习笔记2.6.1 Transcription
Transcription This process of protein synthesis occurs in two stages: Transcription – DNA is transcribed and an mRNA molecule is produced mRNA is a single stranded RNA molecule that transfers the i...
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。 ...
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