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10 questions
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  • Q1
    What composes a nucleic acid?
    Sugar, sulfate backbone, hydrogenous base
    Nitrogenous base, pentose sugar, phosphate group
    Pentose head, nitrogenous sugar, phosphate base
    DNA and RNA
    30s
  • Q2
    ALL BUT ONE of the following is related to RNA. Which one?
    Single strand
    Ribose
    Thymine
    Uracil
    30s
  • Q3
    Which of the following is not related to DNA?
    Double strand
    Helix
    Deoxyribose
    Uracil
    30s
  • Q4
    What is the final product of the Central Dogma of Molecular Biology?
    Protein
    DNA
    Enzyme
    RNA
    30s
  • Q5
    Which of the following should occur before the Central Dogma?
    Translation
    DNA replication
    Transportation
    Transcription
    30s
  • Q6
    What enzyme is responsible for unzipping the double stranded DNA molecule in the DNA replication process?
    DNA helicase
    DNA ligase
    DNA polymerase
    Okazaki fragments
    30s
  • Q7
    Which of the following scenario depicts the initiation stage of DNA replication?
    RNA polymerase binds to DNA separating the DNA strand
    tRNA locates and binds at the start codon
    DNA helicase unzips the double stranded DNA molecule
    DNA polymerase adds DNA nucleotides to the newly synthesized strand
    30s
  • Q8
    Arrange the sequence of Transcription in its proper order. I. mRNA leaves the nucleus and enters the cytoplasm. II. The DNA information is transcribed to mRNA III. RNA polymerase reaches the terminator site signaling the end of transcription. IV. RNA polymerase binds to DNA separating the DNA strand and uses only one strand as a template.
    II-IV-III-I
    IV-II-III-I
    IV-I-II-III
    II-IV-I-III
    120s
  • Q9
    Arrange the events of Translation in its proper order. I. Elongation of polypeptide chain. II. The protein is released to the cytoplasm and is ready for use. III. mRNA attaches to a ribosome. IV. tRNA locates and binds at the start codon. V. The ribosome encounters a stop codon. VI. The ribosome moves through the mRNA and the tRNA carries anticodon with its corresponding amino acid.
    IV-VI-III-I-V-II
    IV-III-VI-I-V-II
    III-IV-VI-I-V-II
    I-II-III-IV-V-VI
    120s
  • Q10
    Which is the simplified version of the Central Dogma of Molecular Biology?
    DNA – RNA - Protein
    Transcription – Translation – Protein
    DNA is copied by RNA to make Protein
    All of the above
    30s

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