Edexcel IGCSE Biology 復習筆記 2.4.1 Diffusion
Edexcel IGCSE Biology 復習筆記 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 復習筆記 2.3.5 Practical: Enzymes & pH
Edexcel IGCSE Biology 復習筆記 2.3.5 Practical: Enzymes & pH Practical: Enzymes & pH Amylase?is an enzyme that digests?starch?(a polysaccharide of glucose)?into maltose?(a disacchari...
Edexcel IGCSE Biology 復習筆記 2.3.4 Practical: Enzymes & Temperature
Edexcel IGCSE Biology 復習筆記 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 復習筆記 2.3.3 Enzymes
Edexcel IGCSE Biology 復習筆記 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 ...
Edexcel IGCSE Biology 復習筆記 2.3.2 Practical: Food Tests
Edexcel IGCSE Biology 復習筆記 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 ...
Edexcel IGCSE Biology 復習筆記 2.3.1 Carbohydrates, Fats & Proteins
Edexcel IGCSE Biology 復習筆記 2.3.1 Carbohydrates, Fats & Proteins Chemical Elements Most of the molecules in living organisms fall into three categories:?carbohydrates, proteins and li...
Edexcel IGCSE Biology 復習筆記 2.2.3 Stem Cells
Edexcel IGCSE Biology 復習筆記 2.2.3 Stem Cells Stem Cells A stem cell is an?undifferentiated cell?of an organism that is capable of dividing to produce many more cells of the same type (undifferen...
Edexcel IGCSE Biology 復習筆記 2.2.2 Specialised Cells
Edexcel IGCSE Biology 復習筆記 2.2.2 Specialised Cells Cell Differentiation & Specialised Cells The?structural differences?between different types of cells enables them to perform?specif...
Edexcel IGCSE Biology 復習筆記 2.2.1 Cell Structure
Edexcel IGCSE Biology 復習筆記 2.2.1 Cell Structure Cell Structures Eukaryotic cells have?subcellular structures?contained within their cytoplasm Each cellular structure carries out a?partic...
