Introduction to human health
Describe whether health is more than simply the absence of a disease...
GCE A-level Biology
Gaseous exchange – HHD
The gaseous exchange system links the circulatory system with the atmosphere –...
Electron Transport Chain
ETC couples electron transfer between an electron donor (such as NADH) and...
Chemiosmosis
Chemiosmosis: The generation of ATP by the movement of H+ across a...
The C4 Pathway
Photorespiration, caused by the oxygenase activity of RuBisCo/ Oxygenase and the ensuring...
Selection
Selection a mechanism in which physically, physiologically, environmentally and generally adapted organisms...
ATP Structure and Synthesis
The need for energy in living organisms Anabolic reactions e.g growth. Active...
Sickle cell anaemia and cystic fibrosis
Sickle cell anaemia Autosomal Recessive Inheritance Prevalent in Afro-Caribbean populations o More...
Biological Molecules
Testing for Biological Molecules Benedict’s test for reducing sugars Equal volume of...