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...
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 復習筆記: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 復習筆記:1.5.1 Word & Chemical Equations Writing Equations Nothing created - nothing destroyed New substances are made during chemical reactions ...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記: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 復習筆記:1.6 5 Ionic compounds: Bonds, Structure & Properties Ionic bonding The positive and negative charges are held together by the strong?ele...