各地区青创赛终审结束，上海青创赛晋级名单公布！
在经历了6个月的激烈角逐后， 第37届上海青少年科技创新大赛 在6月26日公布了专项奖获奖项目 同时，上海地区推送到 第36届全国青少年科技创新大赛的项目名单 也正式揭晓！ 全国青少年科技创新大赛，是“青少年世界...
AQA A Level Biology复习笔记3.4.3 The Role of Haemoglobin
The Role of Haemoglobin Transport of oxygen The majority of oxygen transported around the body is bound to the protein haemoglobin in red blood cells Red blood cells are also known as erythrocytes ...
AQA A Level Biology复习笔记3.4.2 Haemoglobin & Oxygen
The Haemoglobin Group The haemoglobins are a group of chemically similar molecules that are found in many different organisms For example chimpanzee, rats and humans are just some of the org...
AQA A Level Biology复习笔记3.3.5 Visking Tubing Practical
Practical Skill: Visking Tubing Investigating the absorption of the products of digestion using Visking tubing Visking tubing (sometimes referred to as dialysis tubing) is a non-living parti...
AQA A Level Biology复习笔记3.3.4 Mechanisms of Absorption
Mechanisms of Absorption Digestion breaks down food into smaller, soluble molecules The products of digestion are absorbed through the intestinal lining The absorption of amino acids and mon...
AQA A Level Biology复习笔记3.3.3 Enzyme Rate Practical
Practical Skill: Investing Factors Affecting Enzyme Reaction Rates When an enzyme is kept in conditions that are outside its optimum pH the shape of its active site may change As a result, e...
AQA A Level Biology复习笔记3.3.2 Enzymes in Digestion
Enzymes in Digestion Enzymes are substrate specific, meaning different enzymes digest and breakdown the different biological molecules contained in food Digestive enzymes are extracellular e...
AQA A Level Biology复习笔记3.2.11 Correlations & Causal Relationships - The Lungs
Correlations & Causal Relationships - The Lungs Correlation is an association or relationship between variables Causation occurs when one variable has an influence or is influenced by an...
AQA A Level Biology复习笔记3.2.10 Evaluating Data on Lung Disease
Investigating Risk Factors & the Incidence of Lung Disease A risk factor is any factor that correlates with (is linked to) an increased chance of suffering from a particular condition or...
