Edexcel IGCSE Biology: Double Science 复习笔记 2.5.9 Humans: Digestive Enzymes The Role of Digestive Enzymes The purpose of digestion is to break down large, insoluble molecules into smaller...
Edexcel IGCSE Biology: Double Science 复习笔记 2.5.8 Humans: The Digestive System The Structure & Function of the Alimentary Canal The digestive system is an example of an organ system i...
Edexcel IGCSE Biology: Double Science 复习笔记 2.5.7 Humans: Balanced Diet The Importance of a Balanced Diet A balanced diet consists of all of the food groups in the correct proportions The...
Edexcel IGCSE Biology: Double Science 复习笔记 2.5.6 Practical: Investigating Chlorophyll & Photosynthesis Practical: Investigating Chlorophyll and Photosynthesis Starch is stored in chl...
Edexcel IGCSE Biology: Double Science 复习笔记 2.5.5 Practical: Investigating Carbon Dioxide & Photosynthesis Practical: Investigating Carbon Dioxide & Photosynthesis The iodine test...
Edexcel IGCSE Biology: Double Science 复习笔记 2.5.4 Practical: Investigating Light & Photosynthesis Practical: Investigating Light & Photosynthesis Although plants synthesise glucos...
Edexcel IGCSE Biology: Double Science 复习笔记 2.5.3 Practical: Investigating Photosynthesis & the Evolution of Oxygen Practical: Evolution of Oxygen We can demonstrate the evolution of ...
Inverse of a Matrix What is an inverse of a matrix? The determinant can be used to find out if a matrix is invertible or not: If , then is invertible If , then is singular and does not have an in...
Determinant of a 2x2 Matrix What is a determinant? The determinant is a numerical value (positive or negative) calculated from the elements in a matrix and is used to find the inverse of a matrix Y...
