IB DP Biology: HL复习笔记3.1.2 Alleles
Alleles Eg. blood types A, B, AB and OEach allele results in a different variation of that trait A gene codes for a specific polypeptide that can affect a specific trait or characteristic in an org...
IB DP Biology: HL复习笔记3.1.1 Genes
Genes & Polypeptides A gene is a section or length of DNA that codes for a polypeptide Genes are heritable factors that influence specific characteristics (via the polypeptides produced) Charac...
IB DP Biology: HL复习笔记2.8.4 Skills: Separating Photosynthetic Pigments
Practical 4: Separation of Photosynthetic Pigments Separation of photosynthetic pigments by chromatography Plants contain several different photosynthetic pigments, which absorb different wavelengt...
英国本科申请究竟是选择A Level还是IB呢？
现今，出国留学不仅是一种优势，更是一种趋势，随着留学大潮流的到来，去国外留学已经不是什么新鲜事了，世界各地都遍布着中国留学生，其中英国留学生占比就非常高。不过，很多学生会面临一个选择，英国本科申请...
IB DP Biology: HL复习笔记2.8.3 Skills: Photosynthesis
Absorption & Action Spectrums An absorption spectrum (for a particular pigment) shows how much light of different wavelengths is absorbed by the pigment An action spectrum shows how each wavele...
IB DP Biology: HL复习笔记2.8.2 Photosynthesis Continued
Effects of Photosynthesis Changes to the Earth’s atmosphere, oceans and rock deposition occur due to photosynthesis The first life forms emerged around 4 billion years ago At the time, there was no...
IB DP Biology: HL复习笔记2.8.1 Photosynthesis
Photosynthesis Defined Simple, inorganic compounds are converted into complex organic ones by photosynthesis The energy required is provided by light Photosynthesis occurs in autotrophic organisms ...
IB DP Biology: HL复习笔记2.7.4 Skills: Respiration
Respirometer Analysis of results from experiments involving measurement of respiration rates in germinating seeds or invertebrates using a respirometer Respirometers are used to measure and investi...
IB DP Biology: HL复习笔记2.7.3 Aerobic Respiration
Aerobic Respiration Aerobic cell respiration requires oxygen and gives a large yield of ATP from glucose The presence of oxygen allows glucose to be broken down fully into carbon dioxide and water ...
