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AP Biology Gene Expression and Regulation

Quiz by Bret Norman

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23 questions
Show answers
  • Q1
    What is gene expression?
    The process by which information from a gene is used to create a functional product, such as a protein
    The process by which a gene is mutated
    The process by which a gene is replicated
    The process by which a gene is deleted
    30s
  • Q2
    What is a promoter?
    A region of DNA that stops transcription of a particular gene
    A region of DNA that regulates the activity of a gene
    A region of DNA that codes for a protein
    A region of DNA that initiates transcription of a particular gene
    30s
  • Q3
    What is a transcription factor?
    A protein that breaks down DNA
    A protein that carries out transcription
    A protein that binds to DNA and controls the rate of transcription
    A protein that stabilizes RNA
    30s
  • Q4
    What is RNA processing?
    The movement of RNA from the nucleus to the cytoplasm
    The degradation of RNA after transcription
    The synthesis of RNA during transcription
    The modification of RNA after transcription, including splicing and addition of a poly-A tail
    30s
  • Q5
    What is a histone?
    A protein that breaks down DNA
    A protein that carries out transcription
    A protein that DNA wraps around to form chromatin
    A protein that stabilizes RNA
    30s
  • Q6
    What is a enhancer?
    A region of DNA that can decrease the rate of transcription of a particular gene
    A region of DNA that can stop transcription of a particular gene
    A region of DNA that can increase the rate of transcription of a particular gene
    A region of DNA that can modify RNA after transcription
    30s
  • Q7
    What is a repressor?
    A protein that stabilizes DNA
    A protein that binds to DNA and promotes transcription of a particular gene
    A protein that breaks down RNA
    A protein that binds to DNA and prevents transcription of a particular gene
    30s
  • Q8
    What is the primary function of DNA?
    To produce proteins
    To transport nutrients
    To store genetic information
    To provide energy for the cell
    30s
  • Q9
    What is the first step in protein synthesis?
    Replication
    Mutation
    Translation
    Transcription
    30s
  • Q10
    What molecule carries the genetic code from the nucleus to the ribosome during protein synthesis
    tRNA
    DNA
    rRNA
    mRNA
    30s
  • Q11
    What is the name of the process by which amino acids are linked together to form a protein?
    Replication
    Polypeptide synthesis
    Transcription
    Translation
    30s
  • Q12
    What is the role of ribosomes in protein synthesis?
    To transcribe DNA
    To store genetic information
    To synthesize proteins
    To transport nutrients
    30s
  • Q13
    What is the name of the enzyme responsible for adding complementary nucleotides to a growing RNA strand?
    DNA polymerase
    Ligase
    Helicase
    RNA polymerase
    30s
  • Q14
    What is the name of the process by which DNA is copied?
    Transcription
    Translation
    Mutation
    Replication
    30s
  • Q15
    What is the name of the 3 nucleotide sequence on mRNA that codes for a specific amino acid?
    Mutation
    Anticodon
    Codon
    Transcription factor
    30s

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