CIE A Level Biology复习笔记19.1.10 Microarrays
Microarrays Microarrays are laboratory tools used to detect the expression of thousands of genes at the same time and to identify the genes present in an organism’s genome Microarrays are used in m...
CIE A Level Biology复习笔记19.1.9 Gel Electrophoresis
Gel Electrophoresis Gel electrophoresis is a technique used widely in the analysis of DNA, RNA and proteins. During electrophoresis the molecules are separated according to their size / mass and th...
CIE A Level Biology复习笔记19.1.8 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. identification ...
CIE A Level Biology复习笔记19.1.7 Gene Editing
Gene Editing Gene genome editing (or editing) allows genetic engineers to alter the DNA of organisms by inserting, deleting or replacing DNA at specific sites in the genome known to cause disease. ...
CIE A Level Biology复习笔记19.1.6 Genetic Engineering: Promoters & Marker Genes
Genetic Engineering: Promoter The promoter (an example of a length of non-coding DNA that has a specific function) is the region of DNA that determines which gene will be expressed. This is because...
CIE A Level Biology复习笔记19.1.5 Genetic Engineering: Vectors
Genetic Engineering: Vectors Vectors are used to transfer the desired genes into a foreign cell Plasmids are the most commonly used vector but viruses and liposomes (a small vesicle with a phosphol...
CIE A Level Biology复习笔记19.1.4 Genetic Engineering: Enzymes
Genetic Engineering: Enzymes Genetic engineering is the deliberate modification of a specific characteristic (or characteristics) of an organism. The technique involves removing a gene (or genes), ...
CIE A Level Biology复习笔记19.1.3 Isolating the Desired Gene
Isolating the Desired Gene The gene with the specific characteristic that is required can be obtained in the following ways: Extracting the gene from the DNA of a donor organism using enzymes (rest...
CIE A Level Biology复习笔记19.1.2 Genetic Engineering
Genetic Engineering Explained Genetic engineering is a technique used to deliberately modify a specific characteristic (or characteristics) of an organism. The technique involves removing a gene (o...
