Edexcel IGCSE Biology: Double Science 复习笔记 2.3.4 Practical: Enzymes & Temperature Practical: Enzymes & Temperature Amylase is an enzyme that digests starch (a polysaccharide of g...
Edexcel IGCSE Biology: Double Science 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 ...
Edexcel IGCSE Biology: Double Science 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 ne...
Edexcel IGCSE Biology: Double Science 复习笔记 2.3.1 Carbohydrates, Fats & Proteins Chemical Elements Most of the molecules in living organisms fall into three categories: carbohydrates,...
Edexcel IGCSE Biology: Double Science 复习笔记 2.2.2 Specialised Cells Cell Differentiation & Specialised Cells The structural differences between different types of cells enables them t...
Edexcel IGCSE Biology: Double Science 复习笔记 2.2.1 Cell Structure Cell Structures Eukaryotic cells have subcellular structures contained within their cytoplasm Each cellular structure carr...
Edexcel IGCSE Biology: Double Science 复习笔记 2.1.1 Levels of Organisation Cells, Tissues, Organs & Organ Systems Cells are the basic building blocks of all living organisms Unicellular...
Edexcel IGCSE Biology: Double Science 复习笔记 1.2.5 Pathogens Types of Pathogen A pathogen is any microorganism that causes disease in another organism (e.g. in plants or animals) Many micr...
Edexcel IGCSE Biology: Double Science 复习笔记 1.2.4 Prokaryotic Organisms Prokaryotes All living organisms can be grouped or ‘classified’ using a classification system that consists of five...
