Edexcel IGCSE Maths 复习笔记 5.1.2 Vectors - Finding Paths Finding paths in vector diagrams It is important to be able to describe vectors by following paths through a geometric diagram The followi...
Edexcel IGCSE Maths 复习笔记 5.1.1 Vectors - Basics What are vectors? A vector is a type of number that has both a size and a direction At GCSE we only deal with two-dimensional vectors, although i...
Edexcel IGCSE Maths 复习笔记 4.18.1 Similarity - Areas & Volumes What are similar shapes? See Similarity – Lengths and know that: Equivalent areas are linked by an area factor (see below) Equiv...
Anaerobic Respiration Sometimes cells experience conditions with little or no oxygen There are several consequences when there is not enough oxygen available for respiration: There is no fin...
Edexcel IGCSE Maths 复习笔记 4.17.1 Similarity - Lengths What are similar shapes? Two shapes are mathematically similar if one is an enlargement of the other Equivalent angles in the two shapes wil...
Aerobic Respiration: Oxidative Phosphorylation & ATP Synthesis Oxidative phosphorylation is the last stage of aerobic respiration It takes place at the inner mitochondrial membrane It re...
Edexcel IGCSE Maths 复习笔记 4.15.1 3D Shapes - Surface Area What is surface area? A face is one of the flat or curved surfaces that make up a 3D shape The surface area of a 3D shape is the sum of ...
Aerobic Respiration: Role of NAD and FAD Coenzymes NAD and FAD play a critical role in aerobic respiration When hydrogen atoms become available at different points during respiration NAD and FAD ac...
The Krebs Cycle The Krebs cycle (sometimes called the citric acid cycle) consists of a series of enzyme-controlled reactions 2 carbon (2C) Acetyl CoA enters the circular pathway from the lin...
Entering the Link Reaction The end product of glycolysis is pyruvate Pyruvate contains a substantial amount of chemical energy that can be further utilised in respiration to produce more ATP...
Edexcel IGCSE Maths 复习笔记 4.14.1 Problem Solving with Areas What is problem solving? Problem solving, as far as GCSE Mathematics is concerned, usually has two key features: A question is given a...
Aerobic Respiration: Glycolysis Glycolysis is the first stage of respiration It takes place in the cytoplasm of the cell and involves: Trapping glucose in the cell by phosphorylating the mol...
