Homeostasis: An Overview In order to function properly and efficiently organisms have different control systems that ensure their internal conditions are kept relatively constant Physiological cont...
A-Level ( Advanced Level)课程有超过70多门学科供学生选择，一般学生选择3-4门课程进行学习，热门课程包括数学、物理、生物、化学、心理学、经济学等学科。A-Level课程最大的优点是打破了文理科限制，学生可以自...
近几年来，英国A-level考试经历了过山车式的变化。直到2019年都是基于考试；2020年依赖算法，导致了重大争议，然后出现了180度大转弯；2020年转向教师评估；然后再回到2022年的考试。 英国政府试图控制成绩膨胀，...
申请理工科物理是必选， 在ALEVEL课程中，物理是除了数学外最受欢迎的科目，而且ALEVEL物理A*率高达21%。但很同学都听说ALevel物理难度高，挑战性大，Alevel物理考试有哪些内容？（内含辅导课程） Alevel物理考试...
Anaerobic Respiration Sometimes cells experience conditions with little or no oxygen There are several consequences when there is not enough oxygen available for respiration: There is no final acce...
Practical: Investigating the Rate of Respiration Respirometers are used to measure and investigate the rate of oxygen consumption during aerobic respiration in organisms The experiments usually inv...
Oxidative Phosphorylation Oxidative phosphorylation is the last stage of aerobic respiration It takes place at the inner mitochondrial membrane It results in the production of many molecules of ATP...
Link Reaction The end product of glycolysis is pyruvate Pyruvate contains a substantial amount of chemical energy that can be further utilised in respiration to produce more ATP The enzymes and coe...
Glycolysis Glycolysis is the first stage of respiration It does not require oxygen to take place and is therefore the first step for both aerobic and anaerobic respiration Glucose is only partially...
