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1) Describe the three kind of the recombination among microorganisms.
DNA is transferred horizontally among same generation.
The phenotype of gene at end of recombination will be changed.
a) Transformation (DNA transferred as naked DNA).
b) Transduction (has no contact, use vector virus).
c) Conjugation (need contact: pili).
2) Select on kind and explain it in detail with the help of concrete examples.
1) Explain and compare the plasmid and transposon.
2) Explain the role or significance of the transposon in the mechanism of cancer.
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Assume you performed a gram stain on a sample from a pure culture of bacteria and observed a field of red and purple cocci. Adjacent cell were not always the similar colour. What do you conclude.
The research team used the setup to study the incorporation of labelled nucleotides into culture lymphocytes and found that the lymphocytes incorporated the labelled nucleotide at significantly higher level after a pathogen was introduced into the cu..
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Noah is a technician assigned to photograph chromosomes. At what stage of the cell cycle are the chromosomes sufficiently condensed that they FIRST become visible under light microscope.
If you were asked to create a karyotype from the chromosome spreads you made from HeLa cells in Activity 4.2.1, list materials you would use and explain how you would make the karyotype.
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