2022年5门AP成绩提前曝光！7月5日正式放分，5分率最低的科目是哪个？
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AQA A Level Biology复习笔记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 ...
AQA A Level Biology复习笔记1.4.13 Models & Functions of Enzyme Action
Students should be able to: Appreciate the Models & Functions of Enzyme Action Models of enzyme action Scientists often use models to explain their observations from experiments As techn...
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Enzyme Inhibitors An enzyme's activity can be reduced or stopped, temporarily, by a reversible inhibitor There are two types of reversible inhibitors: Competitive inhibitors have a similar s...
AQA A Level Biology复习笔记1.4.11 Limiting Factors Affecting Enzymes: Substrate Concentration
Rate: Substrate Concentration The greater the substrate concentration, the higher the rate of reaction: As the number of substrate molecules increases, the likelihood of enzyme-substrate com...
AQA A Level Biology复习笔记1.4.10 Limiting Factors Affecting Enzymes: Enzyme Concentration
Rate: Enzyme Concentration Enzyme concentration affects the rate of reaction The higher the enzyme concentration in a reaction mixture, the greater the number of active sites available and the grea...
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Maths Skill: Calculating pH If the hydrogen ion (H+) concentration of a solution is known, the pH can be calculated using the equation: pH = -log₁₀ [H⁺] You can find the ‘log’ function on yo...
Edexcel IGCSE Maths 复习笔记 2.3.1 Expanding Two Brackets - Basics
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