Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.5.5 Practical: Investigating Carbon Dioxide & Photosynthesis Practical: Investigating Carbon Dioxide & Photosynthesis The?iodine test for starch?can ...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.5.4 Practical: Investigating Light & Photosynthesis4 Practical: Investigating Light & Photosynthesis Although plants synthesise glucose during photos...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.5.3 Practical: Investigating Photosynthesis & the Evolution of Oxygen Practical: Evolution of Oxygen We can demonstrate the evolution of oxygen (from the...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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...
