IB DP Biology: HL復習筆記3.1.3 Mutation
Mutation A?gene mutation?is a change in the sequence of base pairs in a DNA molecule; this may result in a new allele Mutations occur?all the time?and?at random There are certain points in the cell...
IB DP Biology: HL復習筆記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復習筆記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復習筆記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...
英國本科申請究竟是選擇A Level還是IB呢？
現今，出國留學不僅是一種優勢，更是一種趨勢，隨著留學大潮流的到來，去國外留學已經不是什么新鮮事了，世界各地都遍布著中國留學生，其中英國留學生占比就非常高。不過，很多學生會面臨一個選擇，英國本科申請...
IB DP Biology: HL復習筆記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復習筆記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復習筆記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復習筆記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...
