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Bio 110 Final: Chapter 12

Deleted user 10 questions

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Questions in this quiz (10)

  1. 1Which of the following best represents the central dogma of gene expression?
    1. ADuring transcription, DNA codes for polypeptides.
    2. BDuring transcription, DNA codes for mRNA, which codes for polypeptides during translation
    3. CDuring translation, DNA codes for mRNA, which codes for polypeptide during transcription
    4. Dnone of the above
  2. 2A mutation prevents a gene from being transcribed into an mRNA. The mutation most likely disrupts
    1. Athe promoter
    2. Bthe terminator
    3. Cthe start codon
    4. Dthe stop codon
    5. Eboth a and c
  3. 3The functional product of a structural gene is
    1. AtRNA
    2. BmRNA
    3. CrRNA
    4. Da polypeptide
    5. Ea, b, and c.
  4. 4Which of the following is not a property of the genetic code?
    1. AIt specifies the amino acids within a polypeptide
    2. BIt is composed of codons, which are specific sequences of three bases.
    3. CIt has a start codon, which specifies the starting point for polypeptide synthesis.
    4. DIt has stop codons, which specify the end of polypeptide synthesis,
    5. EIt determines the rate of transcription.
  5. 5If a eukaryotic mRNA failed to have a cap attached to it 5' end, what would the negative consequence(s) be?
    1. AThe mRNA would not properly exit the nucleus
    2. BThe mRNA would not properly bind to a ribosome
    3. CThe mRMA would not receive a Poly A tail.
    4. DThe mRNA would not use the correct start codon.
    5. EBoth a and b are correct
  6. 6The small subunit of a ribosome is composed of
    1. Aa protein
    2. Ban rRNA molecule
    3. Cmany proteins
    4. Dmany rRNA molecules
    5. Emany proteins and one rRNA molecule
  7. 7The part of a tRNA that is complementary to a codon in an mRNA is the
    1. Aacceptor stem
    2. Bcodon
    3. Cpeptidyl site
    4. Danticodon
    5. Eadaptor loop
  8. 8During the initiation of translation, the first codon, ________, enters the ___________ and associates with the initiator tRNA.
    1. AUAG, A site
    2. BAUG, A site
    3. CUAG, P site
    4. DAUG, P site
    5. EAUG, E site
  9. 9The movement of the polypeptide from the tRNA in the P site to the tRNA in the A site is referred to as
    1. Apeptide bonding
    2. Baminoacyl binding
    3. Ctranslation
    4. Dthe peptidyl transfer reaction
    5. Eelongation
  10. 10During which stage of translation does the synthesis of a polypeptide occur?
    1. Ainitiation
    2. Belongation
    3. Ctermination
    4. Dsplicing

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User has deleted their subject information Quiz on Bio 110 Final: Chapter 12, created by Deleted user on 13/12/2017.
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Deleted user
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