IB DP Biology: HL復(fù)習(xí)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: HL復(fù)習(xí)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: HL復(fù)習(xí)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: HL復(fù)習(xí)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: HL復(fù)習(xí)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...
2022英美大學(xué)IB分?jǐn)?shù)要求盤點(diǎn)！熱門科目7分率如何？
雖然2022年5月IB官方取消了華東地區(qū)學(xué)生的所有考試，但最終上海、江蘇、浙江及安徽的IB學(xué)生還是采用了免考試路線度過了這突如其來的“難關(guān)”： 非考試路徑 評定標(biāo)準(zhǔn)?? 1學(xué)生提交的校內(nèi)作業(yè)coursework 2老師給定可保...
IB DP Biology: HL復(fù)習(xí)筆記2.2.5 Skills: Calculating BMI
Body Mass Index Calculations Body Mass Index (BMI) is a?rough and ready measure?of a person’s mass in relation to their height The calculation of BMI is as follows A BMI below 18.5 is considered?un...
IB DP Biology: HL復(fù)習(xí)筆記2.2.4 Skills: Visualising Carbohydrates
Molecular Visualisation: Carbohydrates Online learning tools?exist that can provide?visualisations?of large biomolecules Mouse functions can?zoom?and?rotate?molecules Many of these make use of?JMol...
IB DP Biology: HL復(fù)習(xí)筆記2.2.3 Lipids
Long Term Storage Lipids are excellent storage compounds Lipid macromolecules, like carbohydrates, contain?carbon, hydrogen?and?oxygen?atoms However, unlike carbohydrates, lipids contain?a low prop...
