The cytoplasmic macromolecule in organisms such as Pseudomonas, Agrobacterium, E

Question

The cytoplasmic macromolecule in organisms such as Pseudomonas, Agrobacterium, Escherichia coli, Staphyloccoccus species that are often used as vectors in the transfer of new genetic information into both eukaryotic and prokaryotic cells are known as messenger RNA transposons lysogenic genes plasmids interferons Alex Jefferies whereas Kary Mullis discovered discovered DNA amplification - electroporation discovered polymerase chain reaction - cloned Dolly the sheep discovered DNA fingerprinting - the polymerase chain reaction discovered transfection - electrophoresis none of the above = identify Multiple copies of a gene sequence from eukaryotic cells, once isolated, may be made using the following enzymatic process reverse transcriptase process terminal transferase procedure karyotyping reverse engineering none of the above = identify Which is always changed as a result of a mutation? phenotype genotype color protein all of the above

Explanation / Answer

24. D plasmids. These are extra-cytoplasmic genetic entities which code for certain special metabolic capabilities in the bearing organsims. They have their own origin of replication and replicate independent of the chromosome. They are maintained at multiple copies in the cell.

25. C. DNA fingerprinting, the polymerase chain reaction.

Alex Jeffreys is a British geneticist, developed techniques of DNA finger printing which contributed a lot to forensic science. Kary MUllis developed polymerase chain reaction which can be used to amplify a piece of DNA into virtually any number of copies, within a short period of time.

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