AQA A Level Biology复习笔记4.2.3 Transcription
Transcription A gene is a sequence of nucleotide bases in a DNA molecule that codes for the production of a specific sequence of amino acids, that in turn make up a specific polypeptide (pro...
Transcription A gene is a sequence of nucleotide bases in a DNA molecule that codes for the production of a specific sequence of amino acids, that in turn make up a specific polypeptide (pro...
The Structure of mRNA and tRNA Like DNA, the nucleic acid RNA (ribonucleic acid) is a polynucleotide – it is made up of many nucleotides linked together in a long chain Like DNA, RNA nucleot...
Edexcel IGCSE Maths 复习笔记 4.9.2 3D Pythagoras & SOHCAHTOA What are Pythagoras & SOHCAHTOA? Pythagoras’ Theorem helps us find missing side lengths of a right-angled triangle It is also fr...
Edexcel IGCSE Maths 复习笔记 4.9.1 SOHCAHTOA What is SOHCAHTOA? SOHCAHTOA is a mnemonic – ie a way to remember the 3 important formulas for sin (sine), cos (cosine), and tan (tangent) In a right-an...
Edexcel IGCSE Maths 复习笔记 4.8.1 Pythagoras Theorem What is Pythagoras? Pythagoras was a Greek mathematician who lived over 2500 years ago He is most famous for Pythagoras’ Theorem, which include...
Edexcel IGCSE Maths 复习笔记 4.7.1 Intersecting Chord Theorem What are circle theorems? Circle theorems are angle (and distance) properties that arise when lines and shapes drawn within or connecte...
Edexcel IGCSE Maths 复习笔记 4.6.4 Circle Theorems - Alternate Segment What you need to know Alternate Segment Theorem The Alternate Segment Theorem states that the angle betwe...
Edexcel IGCSE Maths 复习笔记 4.6.3 Circle Theorems - Cyclic Quadrilaterals More advanced circle theorems 1. Opposite angles in a cyclic quadrilateral add up to 180° Double-check is that all ...
高考终于画上了句号 一场浩浩荡荡的毕业季即将拉开帷幕 马上步入填志愿阶段 选择出国留学的你是否了解 出国需要怎样的准备? 如何定位自己的目标院校? 选校是留学申请中最关键的一步,决定着申请结果。了解你要...
申请季要填多个申请系统,可以说是申请人最烦恼的事情之一,毕竟每个系统都有不少的信息要填,需要花掉不少时间。 好消息是,Common App将新增50余所学校,或许你不再需要使用多个申请系统了!Common App将新增50...
申请国外院校时学术活动活动有多重要?优秀的学术活动活动经历无疑是申请加分利器!许多家长在咨询:什么样的项目含金量高? 图源:pexel.com 校方的建议具有很大参考价值,麻省理工就明确给申请者们列出了一些适...
Edexcel IGCSE Maths 复习笔记 4.6.2 Circle Theorems - Tangents What do I need to know about tangents 1. A radius and a tangent are perpendicular Note that perpendicular lines meet at right angles &n...
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