AQA A Level Biology复习笔记3.1.2 Agar Blocks Practical
Practical Skill: Agar Blocks The effect of changing surface area to volume ratio on diffusion can be investigated by timing the diffusion of ions through cubes of agar of different sizes Met...
Edexcel IGCSE Maths 复习笔记 2.13.1 Linear Simultaneous Equations
Edexcel IGCSE Maths 复习笔记 2.13.1 Linear Simultaneous Equations What are linear simultaneous equations? When there are two unknowns (say x and y) in a problem, we need two equations to be able to...
AQA A Level Biology复习笔记2.6.7 ELISA
ELISA Each clone of plasma cells produces only one type of antibody These are known as monoclonal antibodies Monoclonal antibodies can be used in medical diagnoses They can be used in...
Edexcel IGCSE Maths 复习笔记 2.12.1 Direct & Inverse Proportion
Edexcel IGCSE Maths 复习笔记 2.12.1 Direct & Inverse Proportion What is proportion? Proportion is a way of talking about how two variables are related to each other Direct proportion: as one va...
Edexcel IGCSE Maths 复习笔记 2.11.2 Solving Linear Equations
Edexcel IGCSE Maths 复习笔记 2.11.2 Solving Linear Equations Solving equations… … is just like rearranging formula so we’ll use exactly the same method … GROF GROBLET FIND ANSWER! This is a mnemoni...
Edexcel IGCSE Maths 复习笔记 2.11.1 Collecting Like Terms
Edexcel IGCSE Maths 复习笔记 2.11.1 Collecting Like Terms Collecting like terms Expand brackets first! TERMS are separated by + or – “LIKE” terms must have exactly the same LETTER bit (the NUMBER b...
Edexcel IGCSE Maths 复习笔记 2.10.1 Equations & Problem Solving
Edexcel IGCSE Maths 复习笔记 2.10.1 Equations & Problem Solving What is problem solving? Problem solving in mathematics involves using several stages, across a variety of topics, to answer a qu...
AQA A Level Biology复习笔记2.6.6 Ethical Issues with Vaccines & Monoclonal Antibodies
Ethical Issues with Vaccines & Monoclonal Antibodies Ethical issues associated with the use of vaccines Use of animals: All vaccines are tested on animals before they can move onto human...
AQA A Level Biology复习笔记2.6.5 Monoclonal Antibodies
Monoclonal Antibodies Diagnostic uses of monoclonal antibodies Monoclonal antibodies can be used diagnostically for: Pregnancy tests Diagnosing HIV Detecting the presence of pathogens such a...
