Animal Adaptations For Their Environment Different types of haemoglobin Haemoglobin is a quaternary protein?made up of four globin polypeptides and four haem groups The structure of haem is ...
Maths Skill: Using the Cardiac Output Equation Cardiac output?(CO) is the term used to describe the volume of blood that is pumped by the heart (the left and right ventricle) per unit of tim...
The Bohr Shift Changes in the oxygen dissociation curve?as a result of carbon dioxide levels?are known as the?Bohr effect, or?Bohr shift When the?partial pressure?of carbon dioxide in the bl...
The Oxygen Dissociation Curve The oxygen dissociation curve shows the?rate at which oxygen associates, and also dissociates, with haemoglobin?at different?partial pressures of?oxygen (pO2) P...
The Role of Haemoglobin Transport of oxygen The majority of oxygen transported around the body is?bound to the protein haemoglobin in red blood cells Red blood cells are also known as?erythrocytes ...
The Haemoglobin Group The haemoglobins are a group of chemically similar molecules that are found in many different organisms For example chimpanzee, rats and humans are just some of the org...
Practical Skill: Visking Tubing Investigating the absorption of the products of digestion using Visking tubing Visking tubing?(sometimes referred to as dialysis tubing) is a non-living?parti...
Mechanisms of Absorption Digestion breaks down food into smaller, soluble molecules The products of digestion are absorbed through the intestinal lining The absorption of amino acids and mon...
Practical Skill: Investing Factors Affecting Enzyme Reaction Rates When an enzyme is kept in conditions that are outside its optimum pH the shape of its active site may change As a result, e...
