OCR A Level Biology:復習筆記2.1.1 Studying Cells
Use of Microscopy Microscopes?can be used to analyse?cell components?and observe?organelles Magnification?and?resolution?are two scientific terms that are very important to understand and?distingui...
OCR A Level Biology:復習筆記1.2.16 Practical: Using a Light Microscope
Practical: Using a Light Microscope Many biological structures are too small to be seen by the naked eye Optical microscopes are an invaluable tool for scientists as they allow for tissues, cells a...
OCR A Level Biology:復習筆記1.2.15 Practical: Investigating the Rate of Transpiration
Practical: Investigating the Rate of Transpiration Using a potometer Air movement, humidity, temperature and light intensity all have an effect on the rate at which transpiration occurs The table b...
CIE IGCSE Biology: 復習筆記：1.1.4 Features of Organisms
CIE IGCSE Biology: 復習筆記：1.1.4 Features of Organisms The Five Kingdoms The first division of living things in the classification system is to put them into one of?five kingdoms. They are: Anima...
OCR A Level Biology:復習筆記1.2.14 Serial Dilutions
Serial Dilutions Serial dilutions are created by taking a series of dilutions of a stock solution. The concentration decreases by the?same?quantity between each test tube They can either be ‘doubli...
OCR A Level Biology:復習筆記1.2.13 Chromatography
Chromatography Chromatography is a technique that can be used to?separate a mixture?into its individual components Chromatography relies on?differences in the solubility?of the different chemicals ...
CIE IGCSE Biology: 復習筆記：1.1.2 Concept & Uses of Classification Systems
CIE IGCSE Biology: 復習筆記：1.1.2 Concept & Uses of Classification Systems How Organisms are Classified There are millions of species of organisms on Earth A species is defined as a gro...
CIE IGCSE Biology: 復習筆記：1.1.1 Characteristics of Living Organisms
CIE IGCSE Biology: 復習筆記：1.1.1 Characteristics of Living Organisms Characteristics of Living Organisms Movement: an action by an organism or part of an organism causing a change of posit...
雙十一囤課攻略：搶學位送課時，學習資料包免費得！
年末鉅惠，課程大戰最后一天！ 錯過這次再等一年 那福利你沖不沖？沖！沖！沖！ 翰林雙十一狂歡時間 2022年11月3日-11月15日 1、報名課程，返優惠券 雙十一狂歡期間 報名翰林任意課程達到XX課時 額外獲贈優惠券 ...
2022美國提出門戶開放的內容有哪些？
2022年11月14日，美國國務院、教育與文化事務局和國際教育協會（IIE）合作發布了《2022年美國門戶開放報告》。提出門戶開放的內容有哪些？其中關于國際學生的調查結果顯示，2021至2022學年，美國大學國際學生數量...
OCR A Level Biology:復習筆記1.2.12 Biochemical Tests: Proteins
Biochemical Tests: Proteins The Biuret test can be carried out quickly and easily in a lab to determine if a sample contains proteins Biuret ‘reagent’ contains an?alkali and copper (II) sulfate?whi...
OCR A Level Biology:復習筆記1.2.11 Biochemical Tests: Lipids
Biochemical Tests: Lipids Identifying biological molecules Different?qualitative?reagents can be used to identfy the presence of biological molecules in samples Ethanol?is used to identify lipids B...
