genetics exam 4

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Author:
sasha23
ID:
210026
Filename:
genetics exam 4
Updated:
2013-03-28 12:45:03
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genetics
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practice exam
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  1. In E.coli, which terms accurately reflect the nature of replication of the chromosome?

    A. bidirectional and fixed point of initiation
    B. unidirectional and fixed point of initiation
    C. biodirectional and multiple points of initiation
    D. unidirectional and reciprocal
    A. bidirectional and fixed point of initiation
    (this multiple choice question has been scrambled)
  2. A single gene may produce two or more different RNAs by the process of

    A. DNA methylation
    B. histone acetylation
    C. RNA interference
    D. alternative splicing
    D. alternative splicing
    (this multiple choice question has been scrambled)
  3. DNA polymerase II adds nucleotides

    A. to the 5' end of the RNA primer
    B. to both ends of the RNA primer
    C. to the 3' end of the RNA primer
    D to internal sites in the DNA template
    C. to the 3' end of the RNA primer
    (this multiple choice question has been scrambled)
  4. DNA polymerase I is thought to add nucleotides

    A. to the 5' end of the primer
    B. to synthesize primer
    C. in the place of the primer RNA after it is removed
    D. on single-stranded templates without need for an RNA primer
    C. in the place of the primer RNA after it is removed
    (this multiple choice question has been scrambled)
  5. Structures located at the ends of eukaryotic chromosomes are called

    A. centromeres
    B telomerase
    C. recessive mutations
    D. telomeres
    D. telomeres

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