AQA A Level Biology复习笔记2.6.7 ELISA
ELISA Each clone of plasma cells produces only one type of antibody These are known as monoclonal antibodies Monoclonal antibodies can be used in medical diagnoses They can be used in...
AQA A Level Biology复习笔记2.6.6 Ethical Issues with Vaccines & Monoclonal Antibodies
Ethical Issues with Vaccines & Monoclonal Antibodies Ethical issues associated with the use of vaccines Use of animals: All vaccines are tested on animals before they can move onto human...
AQA A Level Biology复习笔记2.6.5 Monoclonal Antibodies
Monoclonal Antibodies Diagnostic uses of monoclonal antibodies Monoclonal antibodies can be used diagnostically for: Pregnancy tests Diagnosing HIV Detecting the presence of pathogens such a...
AQA A Level Biology复习笔记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复习笔记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复习笔记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...
ALevel物理（paper 1）真题答案梳理！
A-Level物理涉及的内容基本涵盖了经典物理学的范畴，如：牛顿的运动学、动力学、能量、 电磁、波等内容；也包含部分现代物理学的内容，如粒子物理、量子物理、核物理、宇宙学等。 今天再带大家对ALevel物理（pape...
AQA A Level Biology复习笔记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...
AQA A Level Biology复习笔记2.5.9 Antigen-Antibody Complex
Antigen-Antibody Complex An antigen and its complementary antibody have complementary molecular shapes This means that their molecular structures fit into each other When an antibody ...
