Relating Nucleic Acid & Amino Acid Sequences A?triplet?is a sequence of three DNA bases that codes for a specific amino acid A?codon?is a sequence of three?mRNA?bases that codes for a sp...
Translation 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?(prote...
Eukaryotic Transcription The genome within eukaryotic cells contains many non-coding sections Non-coding DNA can be found: Between genes, as?non-coding multiple repeats Within genes, as?intr...
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 復習筆記 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 復習筆記 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 復習筆記 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 復習筆記 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 復習筆記 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 復習筆記 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 ...
高考終于畫上了句號 一場浩浩蕩蕩的畢業季即將拉開帷幕 馬上步入填志愿階段 選擇出國留學的你是否了解 出國需要怎樣的準備？ 如何定位自己的目標院校？ 選校是留學申請中最關鍵的一步，決定著申請結果。了解你要...
