AQA A Level Biology復習筆記3.1.2 Agar Blocks Practical
Practical Skill: Agar Blocks The effect of changing surface area to volume ratio on diffusion can be investigated by timing the diffusion of ions through cubes of agar of different sizes Met...
AQA A Level Biology復習筆記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復習筆記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復習筆記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...
ALevel物理（paper 1）真題答案梳理！
A-Level物理涉及的內容基本涵蓋了經典物理學的范疇，如：牛頓的運動學、動力學、能量、 電磁、波等內容；也包含部分現代物理學的內容，如粒子物理、量子物理、核物理、宇宙學等。 今天再帶大家對ALevel物理（pape...
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...
