IB DP Biology: SL复习笔记2.7.2 Anaerobic Respiration
Anaerobic Respiration: ATP Yield In cells, there is a much lower energy yield from respiration in anaerobic conditions than in aerobic conditions There can be different ways in which oxygen becomes...
IB DP Biology: SL复习笔记2.7.1 Cellular Respiration
Cellular Respiration Defined Cell respiration is the controlled release of energy from organic compounds to produce ATP Respiration is a series of chemical reactions that happens in every cell Its ...
IB DP Biology: SL复习笔记2.6.5 Skills: Interpreting Sequences
Determination of mRNA Base Sequence The rules of base pairing and the table of mRNA codons are needed to be able to convert between DNA sequences, mRNA base sequences and amino acid sequences A tri...
IB DP Biology: SL复习笔记2.6.4 Skills: DNA, RNA & Protein Synthesis
Drawing DNA & RNA Nucleotides & DNA Double Helix Drawing simple diagrams of the structure of single nucleotides of DNA and RNA Simple shapes can be used to draw the main building blocks of ...
IB DP Biology: SL复习笔记2.6.3 Biotechnology
Polymerase Chain Reaction Use of Taq DNA polymerase to produce multiple copies of DNA rapidly by the polymerase chain reaction (PCR) Polymerase chain reaction (PCR) is a common molecular biology te...
IB DP Biology: SL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 ...
IB DP Biology: SL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: SL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: SL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: SL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...
如何写A-Level经济学大作文？
在A-Level经济学考试中，最难的部分非essay question莫属！这不仅因为题目多变的提问方式，也因为考官对于考生的高要求。很多学生觉得自己清楚题目中的知识点，但是最终得到的分数却不尽如人意。那么怎么样才能写...
IB DP Biology: SL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...
