Edexcel IGCSE Maths 復習筆記 2.7.1 Completing the Square
Edexcel IGCSE Maths 復習筆記 2.7.1 Completing the Square What is completing the square? “Completing the square” is something that can be done to a quadratic expression (to make it easier to work wi...
Edexcel IGCSE Maths 復習筆記 2.6.3 Algebraic Fractions - Multiplying & Dividing
Edexcel IGCSE Maths 復習筆記 2.6.3 Algebraic Fractions - Multiplying & Dividing What is an algebraic fraction? An algebraic fraction is simply a fraction with an algebraic expression on the top...
Edexcel IGCSE Maths 復習筆記 2.6.2 Algebraic Fractions - Simplifying Fractions
Edexcel IGCSE Maths 復習筆記 2.6.2 Algebraic Fractions - Simplifying Fractions What is an algebraic fraction? An algebraic fraction is simply a fraction with an algebraic expression on the top (num...
Edexcel IGCSE Maths 復習筆記 2.6.1 Algebraic Fractions - Adding & Subtracting
Edexcel IGCSE Maths 復習筆記 2.6.1 Algebraic Fractions - Adding & Subtracting What is an algebraic fraction? An algebraic fraction is simply a fraction with an algebraic expression on the top (...
Edexcel IGCSE Maths 復習筆記 2.5.2 Rearranging Formulae - Harder
Edexcel IGCSE Maths 復習筆記 2.5.2 Rearranging Formulae - Harder SIR! GROF GROBLET FIND ANSWER! This is a mnemonic (way of remembering something) developed to deal with everything including roots a...
AQA A Level Biology復習筆記2.6.4 AIDS
AIDS Symptoms of AIDS Immediately after infection with HIV people often suffer?mild flu-like symptoms These symptoms pass and for a period of time?infected people might not know they are inf...
AQA A Level Biology復習筆記2.6.3 HIV
HIV Transmission of HIV Human Immunodeficiency Virus is a?retrovirus The HIV virus is not transmitted by a vector (unlike in malaria) The virus is?unable to survive outside of the human body...
AQA A Level Biology復習筆記2.6.2 Active & Passive Immunity
Types of Immunity Active immunity Active immunity?is acquired when an antigen enters the body triggering a specific immune response (antibodies are produced) Active immunity is?naturally acq...
AQA A Level Biology復習筆記2.5.10 Plasma & Memory Cells
Plasma & Memory Cells During an immune response, B-lymphocytes form?two types of cell:?plasma cells?and?memory cells Memory cells form the basis of?immunological memory?– the cells can l...
