第973页-翰林严选-翰林国际教育

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IB DP Biology: HL复习笔记2.4.2 Immobilised Enzymes

2022-07-25

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: HL复习笔记2.4.1 Enzymes

2022-07-25

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 ...

2022年第五届华教杯全国大学生数学竞赛报名开启！

2022-07-25

2022年第五届华教杯全国大学生数学学术活动报名时间：即日起-2022年11月25日为落实教育部、科技部、中科院、自然科学基金会联合制定的《关于加强数学科学研究工作方案》，全面测试大学生的数学知识、修养与能力...

IB DP Biology: HL复习笔记2.3.4 Skills: Molecules

2022-07-25

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...

2023Physics Bowl美国物理碗竞赛，备赛报名开启！

2022-07-25

Physics Bowl 物理碗 ——‘物理杯’美国高中物理思维挑战，全美极具影响力的高中物理思维挑战赛，是由美国权威物理教师协会（American Association of Physics，简称AAPT）举办的一项学术探究活动，每年有11个国家超...

IB DP Biology: HL复习笔记2.3.3 The Variety of Proteins

2022-07-25

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复习笔记2.3.2 Protein Structure & Function

2022-07-25

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复习笔记2.3.1 Proteins

2022-07-25

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...