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DNA and Protein Synthesis

Quiz by Lauren Tripp

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20 questions
Show answers
  • Q1
    Bases of DNA are held together by _________________________ hydrogen bonds.
    Phosphate
    Sugar
    Strong
    Weak
    120s
  • Q2
    Where does Transcription occur?
    Nucleus
    Ribosome
    Cytoplasm
    Mitochondria
    120s
  • Q3
    What enzyme breaks apart the double helix of DNA for replication?
    Lipase
    DNA Polymerase
    RNA Polymerase
    Helicase
    120s
  • Q4
    What base does Adenine bond with in DNA?
    Guanine
    Uracil
    Cytosine
    Thymine
    120s
  • Q5
    What base does Adenine bond with in RNA?
    Uracil
    Guanine
    Thymine
    Cytosine
    120s
  • Q6
    A _____________________ mutation occurs when a base is added to the DNA sequence.
    point
    substitution
    frameshift
    inversion
    120s
  • Q7
    What is the name of the three nucleotide bases that are found on the bottom of a tRNA molecules?
    Intron
    Anticodon
    Codon
    Exon
    120s
  • Q8
    According to Chargaff’s base pairing rules, cytosine bonds with which nucleotide?
    guanine
    thymine
    uracil
    adenine
    120s
  • Q9
    DNA is the same as RNA because they both:
    Contain thymine
    Contain a five carbon sugar
    Can leave the nucleus
    Have a double helix
    120s
  • Q10
    Proteins are composed of which of the following?
    bases
    amino acids
    codons
    tRNA
    120s
  • Q11
    Which of the following scientists studied X-ray diffraction to photograph the structure of DNA?
    Question Image
    Rosalind Franklin
    Erwin Chargaff
    Maurice Wilkins
    James Watson
    120s
  • Q12
    During protein synthesis ______ carries the instructions from the nucleus to the ribosome.
    rRNA
    tRNA
    DNA
    mRNA
    120s
  • Q13
    During protein synthesis ______ brings amino acids to the ribosome.
    rRNA
    mRNA
    DNA
    tRNA
    120s
  • Q14
    Below are two sequences of a segment of DNA. Which type of mutation has occurred?Normal Sequence : CAT TAC ACC Mutated sequence: CTT TAC ACC
    Substitution Mutation
    Insertion Mutation
    Silent Mutation
    Deletion Mutation
    120s
  • Q15
    The percentage of thymine in a given segment of double stranded DNA is 36%. What are the percentages of the remaining bases?
    36% A, 14% C, and 14% G
    14% A, 14% C, and 36% G
    14% U, 14% C, and 36% G
    14% A, 36% C, and 14% G
    120s

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