Enzymes as Proteins Enzymes are biological catalysts ‘Biological’ because they function in living systems ‘Catalysts’ because they speed up the rate of chemical reactions without being used up or c...
Edexcel IGCSE Maths复习笔记1.2.1 Recurring Decimals What are recurring decimals? A rational number is any number that can be written as an integer (whole number) divided by another integer When you...
Amino Acids & the Peptide Bond Proteins Proteins are polymers (and macromolecules) made of monomers called amino acids The sequence, type and number of the amino acids within a protein determin...
Edexcel IGCSE Maths复习笔记1.1.3 Multiplying & Dividing Fractions Dealing with mixed numbers Always turn Mixed Numbers into Top Heavy Fractions before doing calculations Dividing fractions Neve...
Lipids Macromolecules which contain carbon, hydrogen and oxygen atoms. However, unlike carbohydrates lipids contain a lower proportion of oxygen Non-polar and hydrophobic (insoluble in water) There...
Biological Molecules: Key Terms There is much variety of life within and between organisms but the biochemical basis of life is similar for all living things The key molecules that are requi...
A-Level⽣物学可以培养学生一系列技能，包括处理数据、解决实际问题和应⽤科学⽅法。A-level生物的Biodiversity部分非常有趣，提前熟悉一下能让你在课堂上更好地get老师讲解的知识点，今天我们将了解三个相关的重...
Dealing with mixed numbers Always turn Mixed Numbers into Top Heavy Fractions before doing calculations Adding & Subtracting Adding and subtracting are treated in exactly the same way: Find the...
学习GCSE意味着学习内容深度的增加，学习内容范围的扩大以及学习时间和精力的巨大投入。你也今年参加GCSE考试吗？考试季结束，放榜越来越近了，2022年的GCSE成绩将会在8月25日公布，CIE更早一些，会在8月18日公布...
