AQA A Level Biology復習筆記4.2.4 Eukaryotic Transcription
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...
AQA A Level Biology復習筆記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...
AQA A Level Biology復習筆記4.2.2 The Structure of RNA
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
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
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
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
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
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
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 ...
