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Basics of Cells & DNA - Biotech 20-21

Quiz by Tom Keller

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18 questions
Show answers
  • Q1
    The following is true about eukaryotic cells, EXCEPT
    They contain membrane-bound organelles
    They are larger than prokaryotic cells
    They contain a nucleus
    They have circular, plasmid DNA
    20s
  • Q2
    The following is true of prokaryotic cells, EXCEPT
    They have cell walls
    They include human cells
    They include bacteria cells
    They have ribosomes
    20s
  • Q3
    Sterile technique includes all EXCEPT the following
    Spraying working surface with 70% ethanol
    Wearing gloves
    Spraying sterile petri dishes with 70% ethanol
    Spraying gloves with 70% ethanol
    20s
  • Q4
    The DNA nucleotide includes all the following components EXCEPT
    Ribose sugar
    Deoxyribose sugar
    Phosphate group (PO4)
    Nitrogenous base (A, T, C, or G)
    20s
  • Q5
    Prokaryotic cells reproduce by
    Binary fission
    Mitosis
    Transcription
    DNA replication
    20s
  • Q6
    If a DNA segment has 50 base pairs and 15 bases are adenine, how many bases are cytosine?
    20
    15
    35
    10
    20s
  • Q7
    Sterile technique helps us prevent BOTH: Infecting our cultures AND infecting ourselves
    False
    True
    20s
  • Q8
    DNA structure can be described as all of the following EXCEPT
    Antiparallel
    Double stranded
    Parallel
    Double helix
    20s
  • Q9
    The direction of DNA replication of the leading and lagging strand is best illustrated by which of the following (Arrows also indicate continuous or discontinuous replication)
    Question Image
    B
    C
    D
    A
    30s
  • Q10
    The new daughter strand that would be synthesized from this parent strand would be: 3' T A C G G C 5'
    3' A T G C C G 5'
    3' T A C G G C 5'
    5' T A C G G C 3'
    5' A T G C C G 3'
    30s
  • Q11
    The lagging strand is synthesized discontinuously due to the antiparallel nature of DNA, resulting in
    DNA polymerase III
    Antiparallel DNA
    Okazaki fragments
    Replication fork
    20s
  • Q12
    The enzyme responsible for relieving over-winding tension on DNA ahead of the replication fork is:
    DNA Pol III
    Topoisomerase
    Ligase
    Helicase
    20s
  • Q13
    The enzyme responsible for unzipping the dsDNA is
    DNA Pol III
    Ligase
    Helicase
    RNA Primase
    20s
  • Q14
    The enzyme responsible for adding an RNA primer to the template/parent DNA strand is
    Ligase
    DNA Pol III
    DNA Pol I
    RNA Primase
    20s
  • Q15
    The enzyme responsible for binding the RNA primer and adding free nucleotides to the 3' end of the growing daughter DNA
    Helicase
    Ligase
    DNA Pol I
    DNA Pol III
    20s

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