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Erstellt von Ellie Potellie
vor mehr als 5 Jahre
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Frage | Antworten |
What Is Mutagensis? | Mutagensis is the process of inducing mutantions in an organisms genome through exposure to uv light or mutagenic chemicals & radiation |
What Technology Is Used To Transfer DNA From One Species To Another? | Recombinant DNA Technology |
How Does It Work? | Recombinant DNA Technology involves the use of recombinant plasmids and artificial chromosomes as vectors |
What Molecules Are Used For Foreign DNA Insertion? | Plasmids are used for short fragments of DNA Artifical chromosomes are preferable for larger fragments of foreign DNA |
What Is A Restriction Endonucleases? | An Enzyme |
What Does It Do? | Restriction endonuclease cut open plasmids & specific genes out of chromosomes leaving sticky ends |
How Are Complementary Sticky Ends Made? | Conplementary sticky ends are made when the same restriction endonuclease is used to cut out the plasmid & the gene from the chromosome |
What Does Ligase Do? | Ligase seals the gene into the plasmid |
What Is A Vector? | A vector is a DNA molecule used as a vehicle to artificially carry foreign genetic material into another cell |
What Are Selectable Markers Used For In Vectors? | Selectable markers are present in the vector to ensure only mirco organisms that have taken up the vector grow in the presence of a selective agent (Antibiotic) |
Name A Safety Precaution Used In Genetic Manipulation | Genes are often added to prevent survival of the micro organism in an external environment |
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