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A linear piece of DNA that is cut first by EcoRI alone and t…

A linear piece of DNA that is cut first by EcoRI alone and then by BamHI alone and finally by both EcoRI and BamHI together.  The following results are obtained:   EcoRI alone BamHI alone EcoRI and Bam HI together 3 kb 5 kb 1 kb 4 kb 10 kb 3 kb 8 kb 4 kb 7 kb What is the total length of the DNA molecule?

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Which of the following is an ethical concern of gene sequenc…

Which of the following is an ethical concern of gene sequencing?

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An orphan strikes it rich playing Powerball. Within days, th…

An orphan strikes it rich playing Powerball. Within days, three burly men show up, each claiming to be her long-lost but devoted father. As the resident geneticist, you obtain DNA samples from all four people involved and look at their profile for three different polymorphic microsatellite repeat loci. The results from the tests (PCR products separated by gel electrophoresis) are shown below. Which candidate(s) could not be the father?

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A linear piece of DNA that is cut first by EcoRI alone and t…

A linear piece of DNA that is cut first by EcoRI alone and then by BamHI alone and finally by both EcoRI and BamHI together.  The following results are obtained:   EcoRI alone BamHI alone EcoRI and Bam HI together 3 kb 5 kb 1 kb 4 kb 10 kb 3 kb 8 kb 4 kb 7 kb What is the total length of the DNA molecule?

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All of these DNA-repair mechanisms use an undamaged compleme…

All of these DNA-repair mechanisms use an undamaged complementary DNA strand as a template for replacing the excised nucleotides EXCEPT for 

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A person who is HIV-positive and has a helper T (TH) cell co…

A person who is HIV-positive and has a helper T (TH) cell count lower than __________ has AIDS.

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A student carries out PCR using the following steps:   Step…

A student carries out PCR using the following steps:   Step 1: 94°C for 1 minute Step 2: 60°C for 30 seconds Step 3: 72°C for 30 seconds Which of the following lists the CORRECT terms for these three steps?

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Which of the following enzyme activities play a role in nucl…

Which of the following enzyme activities play a role in nucleotide-excision repair? Select all that apply.

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14[14] 15[15]  

14[14] 15[15]  

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Which of the following DNA repair systems does NOT involve t…

Which of the following DNA repair systems does NOT involve the activity of a DNA polymerase?

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