Edexcel IGCSE Biology 复习笔记 2.4.1 Diffusion
Edexcel IGCSE Biology 复习笔记 2.4.1 Diffusion Diffusion Theory Diffusion is the movement of molecules from a region of its higher concentration to a region of its lower concentration Molecu...
Edexcel IGCSE Biology 复习笔记 2.3.5 Practical: Enzymes & pH
Edexcel IGCSE Biology 复习笔记 2.3.5 Practical: Enzymes & pH Practical: Enzymes & pH Amylase is an enzyme that digests starch (a polysaccharide of glucose) into maltose (a disacchari...
AQA A Level Biology复习笔记6.1.4 Taxis & Kinesis
Taxis & Kinesis An organism must find favourable living conditions in order to survive For complex organisms like monkeys and wolves, this seems like an easy process They possess eyes, e...
Edexcel IGCSE Biology 复习笔记 2.3.4 Practical: Enzymes & Temperature
Edexcel IGCSE Biology 复习笔记 2.3.4 Practical: Enzymes & Temperature Practical: Enzymes & Temperature Amylase is an enzyme that digests starch (a polysaccharide of glucose) into mal...
Edexcel IGCSE Biology 复习笔记 2.3.3 Enzymes
Edexcel IGCSE Biology 复习笔记 2.3.3 Enzymes Enzymes as Biological Catalysts Enzymes Enzymes are proteins that act as biological catalysts to speed up the rate of a chemical reaction without being ...
AQA A Level Biology复习笔记6.1.3 Indoleacetic Acid (IAA)
Indoleacetic Acid (IAA) Indoleacetic acid (IAA) is a specific growth factor found in plants IAA is synthesised in the growing tips of roots and shoots (ie. in the meristems, where cells are ...
Edexcel IGCSE Biology 复习笔记 2.3.2 Practical: Food Tests
Edexcel IGCSE Biology 复习笔记 2.3.2 Practical: Food Tests Practical: Food Tests Preparing a sample Before you can carry out any of the food tests described below, you may need to prepare a ...
AQA A Level Biology复习笔记6.1.2 Growth Factors in Flowering Plants
Growth Factors in Flowering Plants Growth responses in plants Just like animals, the survival of plants is dependent on their ability to respond to changes in their environment Some plants p...
Edexcel IGCSE Biology 复习笔记 2.3.1 Carbohydrates, Fats & Proteins
Edexcel IGCSE Biology 复习笔记 2.3.1 Carbohydrates, Fats & Proteins Chemical Elements Most of the molecules in living organisms fall into three categories: carbohydrates, proteins and li...
