劍橋經濟學姐竟是NEC的“狂熱粉”？0.01元大師課“薅羊毛”倒計時！
H同學的NEC獲獎榮譽： NEC全球站團隊CT第七、全國站銅獎、區域站個人+團體銀獎 H同學的NEC參賽心得： 于我而言，準備NEC的過程比結果更加寶貴。幾天的比賽背后是幾個月夜以繼日的辛勤付出。在此過程中，我不僅拓...
IB DP Biology: SL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: SL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: SL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: SL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...
IB DP Biology: SL復習筆記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 ...
IB DP Biology: SL復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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 ...
