Edexcel IGCSE Maths 复习笔记 4.13.1 Circles - Sector Areas & Arc Lengths What is a sector? What is an arc? A maths book will (correctly) tell you that an arc is part of the circumference of a c...
Edexcel IGCSE Maths 复习笔记 4.12.1 Circles - Area & Circumference Why are circles different to other 2D shapes? Circles just have their own language! The circumference of a circle is its perim...
Edexcel IGCSE Maths 复习笔记 4.11.2 Area - Adding & Subtracting What do we mean by an awkward shape (a compund shape)? Sometimes the shape we want to find the area of isn’t one of the standard ...
Stages of the Calvin Cycle Energy from ATP and hydrogen from reduced NADP are passed from the light-dependent stage to the light-independent stage of photosynthesis The energy and hydrogen a...
The Two Stages of Photosynthesis Photosynthesis occurs in two stages: the light-dependent stage, which takes place in the thylakoids, and the light-independent stage, which takes place in th...
Required Practical: Investigating Photosynthetic Pigments with Chromatography Chloroplasts contain several different photosynthetic pigments within the thylakoids, which absorb different wav...
The Light Dependent Reaction Thylakoids Plant cells contain chloroplasts which is the site of photosynthesis Chloroplasts are filled with a fluid known as the stroma The system of membranes ...
Interpret Data To Suggest Relationships Between Organisms & Appreciate the Role of Genetic Technologies The gene pool The phenotype of all organisms is dependent on its genotype and envi...
Maths Skill: Calculating Mean Values & Standard Deviation Descriptive statistics are invaluable when interpreting data from experiments Some experiments have thousands or millions of dat...
