2022 A-level最難考試局是哪個？
A-level選課需要圍繞大學目標專業，以及個人興趣和能力來進行。 學四門A-level難度如何？ 很多同學認為考四門A-level會很難，會占用更多時間，或許沒必要。大學申請也只需要三門A-level。 話雖如此，但很多學生還...
AQA A Level Biology復習筆記 1.5.8 The Process of Semi-Conservative Replication
The Process of Semi-Conservative Replication DNA replication occurs in preparation for?mitosis, when a parent cell divides to produce two genetically identical daughter cells – as each daugh...
AQA A Level Biology復習筆記 1.5.7 Semi-Conservative Replication
The Purpose of Semi-Conservative Replication Before?a (parent) cell?divides, it needs to?copy the DNA?contained within it This is so that the two new (daughter) cells produced will both rece...
Edexcel IGCSE Maths 復習筆記 2.4.1 Factorising Quadratics - Basics
Edexcel IGCSE Maths 復習筆記 2.4.1 Factorising Quadratics - Basics What is a quadratic expression? A quadratic expression looks like this:ax2?+ bx + c (as long as a ≠ 0) Note: If there are any high...
AQA A Level Biology復習筆記 1.5.6 The Origins of Research on the Genetic Code
Appreciating How the Function of DNA Was Determined DNA was actually first observed in the 1800s by a Swiss scientist called Friedrich Miescher Miescher is credited with being the first pers...
AQA A Level Biology復習筆記 1.5.5 Ribosomes
Ribosomes Ribosomes are?small organelles?that are either?free?in the cytoplasm (of all cells) or are attached to the?rough endoplasmic reticulum?(only in eukaryotic cells) Ribosomes are the ...
AQA A Level Biology復習筆記1.5.4 The Structure of RNA
The Structure of RNA Like DNA, the nucleic acid RNA (ribonucleic acid) is a?polynucleotide?– it is made up of?many nucleotides?linked together in a chain Like DNA, RNA nucleotides contain th...
Edexcel IGCSE Maths 復習筆記 2.3.3 Expanding Three Brackets
Edexcel IGCSE Maths 復習筆記 2.3.3 Expanding Three Brackets Expanding three brackets We’re still following the basic principle of expanding here – get rid of the brackets by multiplying out We just...
AQA A Level Biology復習筆記1.5.3 The Structure of DNA
The Structure of DNA The nucleic acid DNA is a?polynucleotide?– it is made up of?many nucleotides?bonded together in a?long chain A DNA nucleotide DNA molecules are made up of?two pol...
AQA A Level Biology復習筆記1.5.2 Nucleotide Structure & the Phosphodiester Bond
Nucleotide Structure & the Phosphodiester Bond Both DNA and RNA are?polymers?that are made up of?many repeating units?called?nucleotides Each nucleotide is formed from: A?pentose sugar?(...
2022年5門AP成績提前曝光！7月5日正式放分，5分率最低的科目是哪個？
大家都知道今年AP成績的正式放榜時間是7月5日，但是這兩天AP考試中心的副總裁特雷弗·帕克（Trevor Packer），突然連夜在社交平臺上陸續發布了2022年的AP成績的5分率數據！ 這份數據包括了五門科目的成績，分別為...
AQA A Level Biology復習筆記1.4.14 Practical Skill: Controlling Variables & Calculating Uncertainty
Practical Skill: Control of Variables & Uncertainty Enzyme rate experiments?are experiments that are carried out to determine the?effect?of?changing?a particular?factor?on the?rate of a ...
