AQA A Level Biology复习笔记8.4.8 Screening Patients
Genetic Screening In certain circumstances (eg. in the pregnancy in an older woman, or pregnancy where there is a family history of a genetic disease) may require individuals to determine if...
AQA A Level Biology复习笔记8.4.7 DNA Probes & DNA Hybridisation
DNA Probes & DNA Hybridisation DNA hybridisation is a process that is commonly used in medical diagnostic tests and genetic screening In DNA hybridisation two complementary single-strand...
AQA A Level Biology复习笔记8.4.6 Uses of Recombinant DNA Technology
Interpret & Evaluate Data about the Uses of Recombinant DNA Technology DNA that has been altered by introducing nucleotides from another source is called recombinant DNA (rDNA) If the or...
Edexcel IGCSE Biology 复习笔记 2.8.6 Human Transport Systems: Red Blood Cells & Plasma
Edexcel IGCSE Biology 复习笔记 2.8.6 Human Transport Systems: Red Blood Cells & Plasma Red Blood Cells Red blood cells are specialised cells which carry oxygen to respiring cells They ar...
AQA A Level Biology复习笔记8.4.5 Culture of Transformed Host Cells
In Vivo Method: Culture of Transformed Host Cells Polymerase chain reaction (PCR) is a common molecular biology technique used in most applications of gene technology It is described as the ...
AQA A Level Biology复习笔记8.4.4 Polymerase Chain Reaction
Polymerase Chain Reaction (PCR) Polymerase chain reaction (PCR) is a common molecular biology technique used in most applications of gene technology, for example, DNA profiling (eg. identifi...
Edexcel IGCSE Biology 复习笔记 2.8.5 Human Transport Systems: Blood
Edexcel IGCSE Biology 复习笔记 2.8.5 Human Transport Systems: Blood Components of Blood Blood consists of red blood cells, white blood cells, platelets and plasma Over half of the volume of ...
AQA A Level Biology复习笔记8.4.3 Investigating the Specificity of Restriction Enzymes
Apparatus & Techniques: Investigating the Specificity of Restriction Enzymes The specificity of restriction enzymes can be investigated using extracted DNA and gel electrophoresis Gel el...
Edexcel IGCSE Biology 复习笔记 2.8.4 Practical: Factors Affecting Transpiration
Edexcel IGCSE Biology 复习笔记 2.8.4 Practical: Factors Affecting Transpiration Practical: Factors Affecting Transpiration We can investigate the effect of different environmental conditions...
