Adaptations In Large Organisms to Facilitate Exchange Single-celled organisms have a high SA:V ratio which allows for the exchange of substances to occur via simple diffusion The large surfa...
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 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...
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...
6月底，上海国际学校大规模招生已经告一个段落，接下来部分学校还会有招生场次和招生名额，如果对某所学校感兴趣，可以及时关注学校的官网消息。 1.又有4所学校加入“两条腿走路”队伍！ 前不久，上海高中招生名单...
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 Solving equations… … is just like rearranging formula so we’ll use exactly the same method … GROF GROBLET FIND ANSWER! This is a mnemoni...
美国留学生人数最新消息，人数出现反弹！ 疫情期间，不少学生的留学计划都暂时搁置了。但是疫情丝毫没有阻挡住名校的吸引力，美国一所高校的国际招生负责人表示，因为疫情的缘故，真正恢复到以前盛况还需要一段时...
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 What is problem solving? Problem solving in mathematics involves using several stages, across a variety of topics, to answer a qu...
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...
上海诺思兰顿是诞生于国际教育4.0时代的 A level 课程学校，是一所由国资委上市公司发起设立，集丰富产业和企业资源于一体的高端国际课程学校，面向 9-12年级学生开设IGCSE/A Level课程。 学校已有两届在读学生，...
