PCR is used for cloning DNA and after about 30 cycles, the number of copies DNA will have increased about a billion times. Why is the DNA polymerase from the bacteria Thermus.aquaticus used in PCR? Because it uses primers specific to sequences in a disease causing gene or organism to diagnosis diseases, etc. O It is used to flank the gene to be copied. O It allows scientists to be able to determine the variable number of tandem repeats of minisatellites or microsatellites to determine an individual's DNA fingerprint. O It is present and needed because the enzyme is resistant to very high temperatures since the bacteria live in hot springs. Due to the walls of the he plant cell, which are thick; therefore it is used to degrade the walls for PCR to begin.

PCR is used for cloning DNA and after about 30 cycles, the number of copies DNA will have increased about a billion times. Why is the DNA polymerase from the bacteria Thermus.aquaticus used in PCR? Because it uses primers specific to sequences in a disease causing gene or organism to diagnosis diseases, etc. O It is used to flank the gene to be copied. O It allows scientists to be able to determine the variable number of tandem repeats of minisatellites or microsatellites to determine an individual's DNA fingerprint. O It is present and needed because the enzyme is resistant to very high temperatures since the bacteria live in hot springs. Due to the walls of the he plant cell, which are thick; therefore it is used to degrade the walls for PCR to begin.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter17: Biotechnology And Genomics

Section: Chapter Questions

Problem 1VCQ: Figure 17.7 You are working in a molecular biology lab and, unbeknownst to you, your lab partner...

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FIGURE 2 shows the only suitable DNA restriction site in a plasmid DNA vector that can be cleaved. 5'.GTAATCCGGATCCGAAATCCCCCGG... 3' 3.CATTAGGCCTAGGCTTTAGGGGGCCC... 5 FIGURE 2 Identify the most suitable enzymeto be used as a restriction enzyme forthis purpose. O Ligase O Smal O EcoRI О ЕсoRV
When plasmids are used to produce a desired protein O the plasmids are inserted into the bacterial chromosome. O the plasmids multiply and produce the protein outside of the bacterium. O the desired gene is inserted into the plasmid, and the plasmid is returned to the bacterium by transformation. O the bacterial genome and plasmid are inserted into the genome of the cell containing the desired gene (often the cell of a plant or animal).
What purpose do short DNA primers serve in PCR? O They determine which sequence of DNA is copied O They synthesize new DNA O They synthesize proteins O They separate RNA from DNA MacBook Air 80 888 F7 F6
The Centers for Disease Control and Prevention (CDC) program PulseNet uses genomic fragments that have been generated by restriction endonucleases O pathogen specific primers O PCR combined with restriction fragment length polymorphism (RFLP) analysis O oligonucleotide probes in microarray technology
During nucleic acid hybridization, the probe is labelled for DNA stability to increase probe-test DNA binding to identify the location of probe and the test DNA binding for amplification
Which enzyme was used to produce the molecule in the figure above? O ligase O DNA polymerase O RNA polymerase O a restriction enzyme (endonuclease) O topoisomerase
You are cloning the genome of a new DNA virus into pUC18.You plate out your transformants on ampicillin plates containing X-gal and pick one blue colony and one white colony.When you check the size of the inserts in each plasmid (blueand white), you are surprised to fi nd that the plasmid fromthe blue colony contains a very small insert of approximately60 bp, while the plasmid from the white colony does notappear to contain any insert at all. Explain these results.
In polymerase chain reaction, which of the following is NOTa purpose of the primers you added to the the PCR tube? O To denature the DNA To give DNA polymerase a molecule to add nucleotides to To target our sequence of interest To bind to template DNA on either side of the sequence we want to amplify
Short tandem repeats (STR) profiling is based on O A. the fact that many foods are being genetically modified and this test allows food health officials to identify the transgenic ones. O B. the fact that you can clone mammals through fusion of one somatic (non-sex) cell with an egg cell whose nucleus has been removed O C. the fact that one strand of DNA can be turned into millions of identical copies by a process that heats and cools DNA and builds it using DNA polymerase and primers. OD. the fact that people's DNA is filled with short sequences, like "TCAT" that are found in different numbers in each person.
Why is DNA polymerase a required part of PCR? O It synthesizes new DNA O It synthesizes proteins O It degrades the template DNA O It separates RNA from DNA MacBook Air
Synthesis of hybrid genes can occur by Directed mutagenesis O Using overlap primers O RT-PCR O Inverse PCR
Why is Taq polymerase used in a polymerase chain reaction (PCR)? O Unlike other DNA polymerases, Taq polymerase is heat stable and survives the 94 degree denaturation step in PCR. Taq polymerase is more efficient than other DNA polymerases. O Taq polymerase can produce DNA from an RNA template, unlike other DNA polymerases. O Taq polymerase has proofreading activity and thus makes fewer errors than other DNA polymerases. Question 44 Which of the following statements about the differences between prokaryotic and eukaryotic genomes is FALSE? O Prokaryotic genomes have centromeres, whereas eukaryotic genomes do not. O Eukaryotic genomes have telomeres, whereas prokaryotic genomes do not. Prokaryotic genomes have one origin of replication, whereas eukaryotic genomes have multiple origins of replication. O Prokaryotic genomes are less complex than eukaryotic genomes.