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 final acce...
Practical: Investigating the Rate of Respiration Respirometers are used to measure and investigate the rate of oxygen consumption during aerobic respiration in organisms The experiments usually inv...
Oxidative Phosphorylation Oxidative phosphorylation is the last stage of aerobic respiration It takes place at the inner mitochondrial membrane It results in the production of many molecules of ATP...
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 The enzymes and coe...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.7.2 Covalent Bonds: Dot & Cross Diagrams Covalent Bonds: Dot & Cross Diagrams Covalent substances tend to have small molecular str...
Glycolysis Glycolysis is the first stage of respiration It does not require oxygen to take place and is therefore the first step for both aerobic and anaerobic respiration Glucose is only partially...
Stages of Respiration Glucose is broken down in stages, each of which consists of a series of chemical reactions These chemical reactions are controlled by intracellular enzymes that catalyses reac...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.6.1 Formation of Ions Formation of Ions An ion is an electrically charged atom or group of atoms formed by the loss or gain of electrons This los...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.5.1 Word & Chemical Equations Writing Equations Nothing created - nothing destroyed New substances are made during chemical reactions ...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.5.3 Moles, Mass & RFM The Mole The Mole Chemical amounts are measured in moles The symbol for the unit mole is mol One mole of a subst...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.6 5 Ionic compounds: Bonds, Structure & Properties Ionic bonding The positive and negative charges are held together by the strong ele...
Respiration: An Overview Glucose is the main respiratory substrate used by cells Aerobic respiration is the process of breaking down a respiratory substrate in order to produce ATP using oxygen The...
