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Edexcel IGCSE Biology 复习笔记 2.5.2 Factors Affecting Photosynthesis Limiting Factors Plants do not have unlimited supplies of their raw materials so their rate of photosynthesis is limited...
Edexcel IGCSE Biology 复习笔记 2.5.1 Photosynthesis Photosynthesis Theory Photosynthesis is an endothermic reaction in which energy from sunlight is transferred to the chloroplasts in green ...
Edexcel IGCSE Biology 复习笔记 2.4.5 Active Transport Active Transport Theory Active transport is: The movement of particles through a cell membrane from a region of lower concentrati...
Edexcel IGCSE Biology 复习笔记 2.4.4 Practical: Osmosis Practical: Factors that Influence Osmosis Osmosis is the diffusion of water molecules from a dilute solution (high concentration of water) to...
Edexcel IGCSE Biology 复习笔记 2.4.3 Osmosis Osmosis Theory All cells are surrounded by a cell membrane which is partially permeable Water can move in and out of cells by osmosis Osmosis is ...
Edexcel IGCSE Biology 复习笔记 2.4.2 Practical: Diffusion Practical: Factors that Influence Diffusion Diffusion is the movement of molecules from a region of higher concentration to a region...
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 Practical: Enzymes & pH Amylase is an enzyme that digests starch (a polysaccharide of glucose) into maltose (a disacchari...
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...
