AQA A Level Biology復(fù)習(xí)筆記5.3.3 Biomass
Biomass The?biomass?of an organism (or of a sample of tissue from an organism) is: The mass of?living material?of the organism or tissue The?chemical energy?that is?stored?within the organis...
AQA A Level Biology復(fù)習(xí)筆記5.3.2 Photosynthetic Products
Photosynthetic Products The process of photosynthesis transfers?light energy?to?chemical energy?in biological molecules In ecosystems where?sunlight?and?water?is available, the process of ph...
AQA A Level Biology復(fù)習(xí)筆記5.2.9 Investigating the Rate of Respiration
Required Practical: Investigating the Effect on the Rate of Respiration A?redox indicator?is a substance that changes colour when it is reduced or oxidised DCPIP?and?methylene?blue are redox...
AQA A Level Biology復(fù)習(xí)筆記5.2.8 Anaerobic Respiration
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...
AQA A Level Biology復(fù)習(xí)筆記5.2.7 Oxidative Phosphorylation
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...
AQA A Level Biology復(fù)習(xí)筆記5.2.6 The Role of NAD & FAD
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...
AQA A Level Biology復(fù)習(xí)筆記5.2.5 The Krebs Cycle
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...
AQA A Level Biology復(fù)習(xí)筆記5.2.4 The Link Reaction
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...
AQA A Level Biology復(fù)習(xí)筆記5.2.3 Glycolysis
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...
