IB DP Biology: SL复习笔记1.2.7 Microscopes
Electron & Light Microscopes NOS: Developments in scientific research follow improvements in apparatus; the invention of electron microscopes led to greater understanding of cell structure In s...
英国热门留学城市生活成本剖析，衣食住行费用汇总！
在最近几年，英国受到了很多留学党的青睐，逐渐成为了留学首选国家。最近，2023年QS全球最佳留学城市排名出炉，伦敦再次上榜，成功四次蝉联了全球最佳留学城市。除此之外，英国也有9个城市进入了全球TOP50的行列...
IB DP Biology: SL复习笔记1.2.6 Comparison of Prokaryotic & Eukaryotic Cells
Comparison of Prokaryotic & Eukaryotic Cells Animal and plant cells are types of eukaryotic cells, whereas bacteria are a type of prokaryote There are a number of important structural and physi...
IB DP Biology: SL复习笔记1.2.5 Exocrine Pancreatic & Palisade Mesophyll Cells
Exocrine Pancreatic & Palisade Mesophyll Cells Exocrine gland cells of the pancreas The pancreas contains two types of gland cells: endocrine and exocrine cells The function of the exocrine gla...
IB DP Biology: SL复习笔记1.2.4 Eukaryotic Cell Structure
Eukaryotic Cell Structure Compartmentalized cell structure Eukaryotic cells have a more complex ultrastructure than prokaryotic cells The cytoplasm of eukaryotic cells is divided up into membrane-b...
IB DP Biology: SL复习笔记1.2.3 Prokaryotic Cell Structure
Prokaryotic Cell Structure The cell structure of organisms determines whether they are prokaryotic or eukaryotic Prokaryotes have the simplest cell structure, being the first organisms to evolve on...
IB DP Biology: SL复习笔记1.2.2 Endosymbiotic Theory
Endosymbiotic Theory Endosymbiosis Endosymbiosis is where one organism lives within another If the relationship is beneficial to both organisms the engulfed organism is not digested For endosymbios...
IB DP Biology: SL复习笔记1.2.1 Origin of Cells
Spontaneous Generation Pre-existing cells In 1852 Robert Remak made the conclusion that cells divided to form new cells, that is cells came from pre-existing cells His conclusion was reached after ...
IB DP Biology: SL复习笔记1.1.6 Skills: Cell Theory
Practical 1: Using a Microscope Many biological structures are too small to be seen by the naked eye Optical (light) microscopes are an invaluable tool for scientists as they allow for tissues, cel...
IB DP Biology: SL复习笔记1.1.5 Stem Cells
Stem Cells A stem cell is a cell that can divide (by mitosis) an unlimited number of times Each new cell (produced when a stem cell divides) has the potential to remain a stem cell or to develop in...
IB DP Biology: SL复习笔记1.1.4 Cell Specialisation
Emergent Properties Multicellular organisms are able to undertake functions that unicellular organisms cannot, e.g. move over vast distances and digest large macromolecules This is a result of prop...
热门大学专业的AP选课建议
新学期来了，相信又有一批新同学和家长开始接触AP体系了。美国的AP课程大概有几十门，国内开设的课程可能只有十几门。也就是说，AP课程的选择有一定限制。 同学们需要思考未来的专业意向。因为AP课程是比较灵活的...
