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 ...
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 Components of Blood Blood consists of red blood cells, white blood cells, platelets and plasma Over half of the volume of ...
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 Practical: Factors Affecting Transpiration We can investigate the effect of different environmental conditions...
Producing Fragments of DNA Genetic engineering is the deliberate modification of a specific characteristic (or characteristics) of an organism. The technique involves removing a gene (or gen...
Edexcel IGCSE Biology 复习笔记 2.8.3 Water Movement in Flowering Plants Root Hair Cells Uptake of water into the root Root hair cells are adapted for the efficient uptake of water (by osmosi...
Sequencing Methods DNA sequencing allows for the base sequence of an organism's genetic material to be identified and recorded Sequencing methods are continuously evolving and becoming faste...
Edexcel IGCSE Biology 复习笔记 2.8.2 Transport Systems in Flowering Plants Xylem The roots, stem and leaves form a plant organ system for the transport of substances around the plant Plants ...
