Edexcel IGCSE Biology 復習筆記 3.2.5 Cell Division
Edexcel IGCSE Biology 復習筆記 3.2.5 Cell Division Mitosis Mitosis is defined as?nuclear division giving rise to genetically identical cells This type of cell division is used for?growth, re...
IB DP Maths: AA HL復習筆記2.2.3 Solving Quadratics
Solving Quadratics Equations How do I decide the best method to solve a quadratic equation? If it is a calculator paper then use your GDC to solve the quadratic If it is a non-calculator paper then...
Edexcel IGCSE Biology 復習筆記 3.2.4 Predicting Genetic Inheritance
Edexcel IGCSE Biology 復習筆記 3.2.4 Predicting Genetic Inheritance Family Pedigrees Family pedigree diagrams are usually used to trace the?pattern of inheritance?of a specific characteristi...
Edexcel IGCSE Biology 復習筆記 3.2.3 Genetic Inheritance
Edexcel IGCSE Biology 復習筆記 3.2.3 Genetic Inheritance Key Definitions A?gene?is a short length of DNA found on a chromosome that codes for a particular?characteristic?(expressed by the fo...
Edexcel IGCSE Biology 復習筆記 3.2.2 Protein Synthesis
Edexcel IGCSE Biology 復習筆記 3.2.2 Protein Synthesis RNA Like DNA, the nucleic acid RNA (ribonucleic acid) is a?polynucleotide?– it is made up of many nucleotides linked together in a long...
IB DP Maths: AA HL復習筆記2.2.2 Factorising & Completing the Square
Why is factorising quadratics useful? Factorising gives?roots (zeroes or solutions)?of a quadratic It gives the?x-intercepts?when drawing the graph How do I factorise a monic quadratic of the form?...
Edexcel IGCSE Biology 復習筆記 3.2.1 DNA & the Genome
Edexcel IGCSE Biology 復習筆記 3.2.1 DNA & the Genome The Genome The?entire set of the genetic material?of an organism is known as its?genome In 2003, scientists completed a 13-year proj...
Edexcel IGCSE Biology 復習筆記 3.1.7 Human Sex Hormones
Edexcel IGCSE Biology 復習筆記 3.1.7 Human Sex Hormones Secondary Sexual Characteristics Primary sexual characteristics are present during development in the uterus and are the differences i...
Edexcel IGCSE Biology 復習筆記 3.1.6 Pregnancy
Edexcel IGCSE Biology 復習筆記 3.1.6 Pregnancy Implantation & Development of the Foetus After fertilisation in the?oviduct, the zygote travels towards the?uterus This usually takes about...
