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BIO Unit 4: Genetics Exam

Quiz by Whitney Stewart

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40 questions
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  • Q1
    In humans, where does DNA replication take place?
    Ribosome
    Cytoplasm
    Vacuole
    Nucleus
    30s
  • Q2
    RNA from a bear is compared to RNA from a sunflower. Both will contain the
    sugar ribose and the base thymine
    sugar deoxyribose and the base thymine
    sugar ribose and the base uracil.
    sugar deoxyribose and the base uracil
    30s
  • Q3
    A scientist is doing an experiment to identify different molecules. Some components of these molecules are listed in this table. Which of the four molecules is DNA, based on the table below?
    Question Image
    Molecule 2
    Molecule 3
    Molecule 1
    Molecule 4
    30s
  • Q4
    A DNA nucleotide could contain the following molecules:
    deoxyribose, thymine, and a phosphate group.
    ribose, uracil, and a polypeptide.
    deoxyribose, cytosine, and a lipid .
    ribose, adenine, and thymine.
    30s
  • Q5
    Use the diagram below AND your knowledge of biology to answer this question. Structures 3 and 4 are held together by
    Question Image
    weak hydrogen bonds.
    weak peptide bonds
    strong hydrogen bonds
    strong peptide bonds
    30s
  • Q6
    In nucleotides, the letters A, G, C, and T represent
    phosphate groups
    nitrogen bases
    deoxyribose sugars
    ribose sugars
    30s
  • Q7
    The cellular process of creating two new DNA molecules from one original copy is called replication. Which statement is the BEST description of this process?
    DNA opens up and RNA copies it.
    RNA opens up the DNA and uses each strand as a template for a new strand.
    DNA opens up and completely unwinds to make two new molecules.
    DNA opens up and each strand is used as a template for making a new strand.
    30s
  • Q8
    Which part of the nucleotide below is labeled #1?
    Question Image
    Phosphate
    Lipid
    Nitrogen base
    Sugar
    30s
  • Q9
    Which part of the nucleotide below is labeled #2?
    Question Image
    Lipid
    Sugar
    Nitrogen base
    Phosphate
    30s
  • Q10
    Which part of the nucleotide below is labeled #3?
    Question Image
    Phosphate
    Lipid
    Nitrogen base
    Sugar
    30s
  • Q11
    Replicate the following strand of DNA by selecting its complementary strand below. ATCTTGCAAAGGCT
    UAGAACGUUUCCGT
    CGAGGTACCCTTAG
    UAGAACGUUUCCGA
    TAGAACGTTTCCGA
    30s
  • Q12
    The molecule copied directly from DNA is represented by number .
    Question Image
    2
    4
    1
    3
    30s
  • Q13
    What is an example of a molecule produced by the process shown below?
    Question Image
    A polypeptide
    Glycogen
    Glucose
    A fatty acid
    30s
  • Q14
    Structure number 2 represents a .
    Question Image
    ribosome
    tRNA
    mRNA
    rRNA
    30s
  • Q15
    The bond represented by number 5 is a ____ bond.
    Question Image
    ionic
    hydrogen
    covalent
    peptide
    30s

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