IB DP Biology: SL復習筆記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...
如何寫A-Level經濟學大作文？
在A-Level經濟學考試中，最難的部分非essay question莫屬！這不僅因為題目多變的提問方式，也因為考官對于考生的高要求。很多學生覺得自己清楚題目中的知識點，但是最終得到的分數卻不盡如人意。那么怎么樣才能寫...
IB DP Biology: SL復習筆記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...
IB DP Biology: SL復習筆記2.4.2 Immobilised Enzymes
Immobilised Enzymes Immobilised enzymes are widely used in industry Just before 1900, it was discovered that enzymes could be used to catalyse production of alcohol in the absence of yeast cell Sin...
IB DP Biology: SL復習筆記2.4.1 Enzymes
Structure of Enzymes Enzymes are?biological catalysts ‘Biological’ because they function in?living systems ‘Catalysts’ because they?speed up the rate of chemical reactions?without being used up or ...
IB DP Biology: SL復習筆記2.3.4 Skills: Molecules
Molecular Diagrams: Drawing Drawing biological molecules It is important to be able to?draw a few key molecules There is a huge variety of biological molecules, but?only the most important ones?are...
IB DP Biology: SL復習筆記2.3.3 The Variety of Proteins
Functions of Proteins Living organisms synthesize many different proteins with a wide range of functions Proteins are so?versatile?that they have many different roles in cells, tissues and organs A...
IB DP Biology: SL復習筆記2.3.2 Protein Structure & Function
Protein structure A protein may consist of a single polypeptide or more than one polypeptide linked together Some proteins exist as a?single polypeptide chain?(of amino acids) Other proteins are ma...
IB DP Biology: SL復習筆記2.3.1 Proteins
Amino Acids & Polypeptides Proteins Proteins are polymers (and macromolecules) made of monomers called?amino acids The?sequence, type?and?number?of the amino acids within a protein determines i...
