Edexcel IGCSE Biology 复习笔记 5.1.5 Bacteria in Food Production Bacteria in Food Production Microorganisms can be used by humans to produce foods and other useful substances As well as fung...
In exams you’ll commonly be asked to sketch the graphs of different polynomial functions with and without the use of your GDC. What’s the relationship between a polynomial’s degree and its zeros? I...
What is polynomial division? Polynomial division is the process of dividing two polynomials This is usually only useful when the degree of the denominator is less than or equal to the degree of the...
What is the factor theorem? The factor theorem is used to find the linear factors of polynomial equations This topic is closely tied to finding the zeros and roots of a polynomial function/equation...
Edexcel IGCSE Biology 复习笔记 5.1.4 Anaerobic Respiration in Yeast Practical: Investigating Anaerobic Respiration in Yeast Yeast can respire anaerobically (without oxygen), breaking down gl...
What transformations do I need to know? How do horizontal and vertical transformations affect each other? Horizontal and vertical transformations are independent of each other The horizontal transf...
Edexcel IGCSE Biology 复习笔记 5.1.3 Yeast in Food Production Yeast in Food Production Microorganisms can be used by humans to produce foods and other useful substances One example of this i...
Edexcel IGCSE Biology 复习笔记 5.1.2 Crop Plants: Increasing Yield Crop Plants: Fertilisers Modern technology has increased food supply substantially in two key ways: Fertilisers - fertilise...
Edexcel IGCSE Biology 复习笔记 4.4.3 Deforestation Deforestation Deforestation is the clearing of trees (usually on a large scale) If trees are replaced by replanting it can be a sustainable...
