AQA A Level Biology复习笔记5.3.6 Trophic Levels
Trophic Levels Net primary production (NPP) is the chemical energy that is stored in the plant’s biomass (after respiratory losses have been taken into account) This means NPP is the energy ...
AQA A Level Biology复习笔记5.3.5 Net Primary Production
Net Primary Production During photosynthesis, primary producers (such as plants and algae) convert light energy into chemical energy in biological molecules Gross primary production (GPP) ca...
AQA A Level Biology复习笔记5.3.4 Gross Primary Production
Gross Primary Production During photosynthesis, primary producers (such as plants and algae) convert light energy to chemical energy stored within biological molecules Gross primary producti...
AQA A Level Biology复习笔记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复习笔记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复习笔记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复习笔记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复习笔记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复习笔记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...
