Biology Essay

3361 Words Sep 22nd, 2011 14 Pages
Biology: Concepts and Connections, 6e (Campbell)
Chapter 12
DNA Technology and Genomics

Multiple-Choice Questions

1)
When DNA fingerprinting was first used, A) genetic evidence was collected using only DNA from blood. B) blood samples from theGenomic libraries can be constructed using either bacterial plasmids or what other vector? crime scene were used to match the blood of a person who confessed. C) the two semen samples did not match the person who initially confessed. D) genetic testing revealed that the two murdered girls were killed by two different people. E) the DNA evidence was not convincing enough to convict the suspect. Answer:
C
Topic:
Opening
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C) is cultured inside the human cell, which contains the gene to be cloned. D) is used to insert the human gene into the bacterial chromosome. E) comes from the same organism as the gene of interest. Answer:
A
Topic:
12.1
Skill:
Factual Recall

6)
DNA ligase binds A) exons together. B) polymerase to the promotor. C) nucleotides together. D) introns together. E) an intron to an exon. Answer:
C
Topic:
12.1
Skill:
Factual Recall

7)
When plasmids are used to produce a desired protein, A) the plasmids are inserted into the bacterial chromosome. B) the plasmids multiply and produce the protein outside of the bacterium. C) the bacterial chromosome is genetically engineered and the plasmid is used to help the bacterium replicate. D) the desired gene is inserted into the plasmid and the plasmid is returned to the bacterium by transformation. E) the bacterial genome and plasmid are inserted into the genome of the cell containing the desired gene (perhaps the cell of a plant or animal). Answer:
D
Topic:
12.1
Skill:
Factual Recall

8)
________ are a major source of restriction enzymes. A)
Chief cells B)
DNA technologies C)
Parietal cells D)
Archaea
E)
Bacteria

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