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 復習筆記 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 復習筆記 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 復習筆記 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 復習筆記 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 ...
Non-Coding DNA & Regulatory Genes It can be highly difficult to translate the [popover id="IBYOAu-X6ZA6x3aV" lave="genome"] of?complex organisms?into their?proteome Determining the prote...