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Chapter. 20(Biotechnology)
Chapter. 20(Biotechnology)

... • DNA technology has revolutionized biotechnology, the manipulation of organisms or their genetic components to make useful products. • An example of DNA technology is the microarray, a measurement of gene expression of thousands of different genes. Copyright © 2008 Pearson Education Inc., publishin ...
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Endospore production by Bacillus subtilis The Bacterial Endospore

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Chapter 13 Forensic DNA
Chapter 13 Forensic DNA



... b) a purine-pyrimidine pair fits well in the double helix. c) efficient stacking of this arrangement of bases in the helix. d) recognition of non-’Watson-Crick’ hydrogen bonds by DNA polymerases 20. An expression vector or expression plasmid a) always contains an origin of replication. b) usually co ...
Identification and Classification of Prokaryote
Identification and Classification of Prokaryote

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Supplemental Methods and Figure Legends

... Supplemental methods. Plasmids for expressing P. angusta H3 and H4 in S. cerevisiae: The S. cerevisiae HHT2 and HHF2 genes (respectively, chr. XIV coordinates 575,265-576,092 and 576,046-577,238) were amplified by PCR and cloned separately into pGEM-T (Promega). An XhoI site was incorporated into th ...
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Gram-positive

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Structures and functions of bacteria

... 1. They mediate the attachment of bacteria to specific receptor on human cells. 2. Pili have role in transfer of genetic material among bacteria through conjugation. ...
Chapter 9 DNA Powerpoint
Chapter 9 DNA Powerpoint

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Figure 16.7a, c
Figure 16.7a, c

... The first replication in the 14N medium produced a band of hybrid (15N–14N) DNA. This result eliminated the conservative model. A second replication produced both light and hybrid DNA, a result that eliminated the dispersive model and supported the semiconservative model. ...
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... 1. Nucleic acids serve as genetic material of living organisms including humans. 2. Nucleic acids are involved in the storage, transfer and expression of genetic information. 3. Nucleic acids contain all the necessary information required for the formation of individual or organism. 4. Nucleic acids ...
Genomic DNA Isolation from 1 µL – 100 µL of Whole
Genomic DNA Isolation from 1 µL – 100 µL of Whole

... given cancer types . These biomarkers can be cell associated, such as those found in leukocytes2, or cellfree, such as those found in plasma or serum samples. For this reason, blood is often the sample of choice for biomarker or diagnostic research. Investigators utilizing blood in their research ha ...
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Optimizing the Particle Bombardment Method for Efficient Genetic

... In some research articles the authors stated that "Particl.e bombardment is an efficient method for delivery of DNA into plant cells. This method is especially beneficial for those plants which appear to be a poor host for Agrobacterium." 5', "Particle bombardment offers a rapid method for delivery ...
Forensic Science
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... DNA degradation and preservation. For degraded DNA samples, there is a reverse relationship between the length of templates and the amount of templates: the longer the fragment, the fewer are preserved intact (Hoss et al. 1996). If the DNA is relatively more heavily degraded, the longer DNA fragment ...
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Quiz 2 Review Sheet
Quiz 2 Review Sheet

... pore, RNA polymerase, amino acids, nucleus, etc… 66. Describe the structure of a nucleotide. 67. How many different nucleotides are there that will build RNA and DNA? Be able to draw them all the way we discussed in class. For example, I could ask you to draw dAMP or AMP or dCTP etc… or I could ask ...
Mapping Mutations in the HIV RNA
Mapping Mutations in the HIV RNA

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Transformation (genetics)



In molecular biology, transformation is the genetic alteration of a cell resulting from the direct uptake and incorporation of exogenous genetic material (exogenous DNA) from its surroundings and taken up through the cell membrane(s). Transformation occurs naturally in some species of bacteria, but it can also be effected by artificial means in other cells. For transformation to happen, bacteria must be in a state of competence, which might occur as a time-limited response to environmental conditions such as starvation and cell density.Transformation is one of three processes by which exogenous genetic material may be introduced into a bacterial cell, the other two being conjugation (transfer of genetic material between two bacterial cells in direct contact) and transduction (injection of foreign DNA by a bacteriophage virus into the host bacterium).""Transformation"" may also be used to describe the insertion of new genetic material into nonbacterial cells, including animal and plant cells; however, because ""transformation"" has a special meaning in relation to animal cells, indicating progression to a cancerous state, the term should be avoided for animal cells when describing introduction of exogenous genetic material. Introduction of foreign DNA into eukaryotic cells is often called ""transfection"".
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