AQA A Level Biology复习笔记3.4.5 The Bohr Shift
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...
AQA A Level Biology复习笔记3.4.4 The Oxygen Dissociation Curve
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...
AQA A Level Biology复习笔记3.4.3 The Role of Haemoglobin
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 ...
AQA A Level Biology复习笔记3.4.2 Haemoglobin & Oxygen
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...
AQA A Level Biology复习笔记3.3.5 Visking Tubing Practical
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...
AQA A Level Biology复习笔记3.3.4 Mechanisms of Absorption
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...
AQA A Level Biology复习笔记3.3.3 Enzyme Rate Practical
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...
AQA A Level Biology复习笔记3.3.2 Enzymes in Digestion
Enzymes in Digestion Enzymes are substrate specific, meaning different enzymes digest and breakdown the different biological molecules contained in food Digestive enzymes are extracellular e...
AQA A Level Biology复习笔记3.2.11 Correlations & Causal Relationships - The Lungs
Correlations & Causal Relationships - The Lungs Correlation is an association or relationship between variables Causation occurs when one variable has an influence or is influenced by an...
