AQA A Level Biology復習筆記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復習筆記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...
AQA A Level Biology復習筆記3.2.10 Evaluating Data on Lung Disease
Investigating Risk Factors & the Incidence of Lung Disease A?risk factor?is any factor that correlates with (is linked to) an increased chance of suffering from a particular condition or...
AQA A Level Biology復習筆記3.2.9 Pollution & Smoking
The Effects of Pollution & Smoking on the Incidence of Lung Disease Exposure to pollution and smoking are well-known risk factors in relation to lung disease Environmental pollution sour...
AQA A Level Biology復習筆記3.2.8 The Effects of Lung Disease
The Effects of Lung Disease There are several disorders or diseases that can prevent lungs from functioning properly They can affect the structure of the alveolar walls (gas exchange surface...
AQA A Level Biology復習筆記3.2.7 PVR
Maths Skill: PVR The volume of air within the lungs of an individual will change depending on their level of activity When at rest, breathing is shallow and steady When exercising, breathing...
AQA A Level Biology復習筆記3.2.6 Ventilation & Gas Exchange
Ventilation & Gas Exchange Gas exchange in the lungs requires a concentration gradient Ventilation (mass flow of gases) in the lungs and the continuous flow of blood in the capillaries h...
Edexcel IGCSE Maths 復習筆記 3.9.1 Finding Gradients of Non-Linear Graphs
Edexcel IGCSE Maths 復習筆記 3.9.1 F What is a non-linear graph? A?linear?graph is a?straight-line graph These are easily identified as their equations can always be written in the form y = m...
Edexcel IGCSE Maths 復習筆記 3.8.1 Transformations of Graphs
Edexcel IGCSE Maths 復習筆記 3.8.1 Transformations of Graphs What are graph transformations? You should have come across?transformations?of shapes –?reflections,?rotations,?translations?and?enlarge...
