MCQ Questions
Q.1.
Which of the following statements about Eukaryotic RNA is true?
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    reverse transcriptase.
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    Exons are spliced together
  • 0%
    DNA uses the nitrogenous base uracil.
  • 0%
    RNA uses the sugar dextrose.
Q.2.
Which of the following statements regarding DNA is false?
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    DNA uses the nitrogenous base uracil.
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    Exons are spliced together
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    RNA uses the sugar dextrose.
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    initiation of a new RNA molecule.
Q.3.
Why does a DNA strand grow only in the 5' to 3' direction?
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    The ribosomes of prokaryotes and eukaryotes are exactly the same in structure and fund
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    The amount of adenine is equal to the amount of guanine is equal to the amount of cytosine.
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    The sequence of nucleotides along the length of a single DNA strand is restricted by the base pairing rules.
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    because DNA polymerases can only add nucleotides to the 3' end of the growing molecule.
Q.4.
Which of the following statements regarding the structure of DNA is false?
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    The ribosomes of prokaryotes and eukaryotes are exactly the same in structure and fund
  • 0%
    The amount of adenine is equal to the amount of guanine is equal to the amount of cytosine.
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    The conversion of genetic information from the language of nucleic acids to the language of proteins.
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    The sequence of nucleotides along the length of a single DNA strand is restricted by the base pairing rules.
Q.5.
Which of the following statements characterizes the lytic cycle of a viral infection?
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    The cycle typically leads to the lysis of the host cell.
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    Heavy use of antibiotics in medicine and in agriculture.
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    Transcription occurs in the cytoplasm of eukaryotic cells.
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    The sequence of nucleotides along the length of a single DNA strand is restricted by the base pairing rules.
Q.6.
How would the shape of a DNA molecule change if adenine paired with guanine and cytosine paired with thymine?
  • 0%
    The cycle typically leads to the lysis of the host cell.
  • 0%
    The ribosomes of prokaryotes and eukaryotes are exactly the same in structure and fund
  • 0%
    Heavy use of antibiotics in medicine and in agriculture.
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    The DNA molecule would have irregular widths along its length.
Q.7.
Which of the following human activities has contributed to an increase in the number if bacteria having R plasmids?
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    The amount of adenine is equal to the amount of guanine is equal to the amount of cytosine.
  • 0%
    Heavy use of antibiotics in medicine and in agriculture.
  • 0%
    Transcription occurs in the cytoplasm of eukaryotic cells.
  • 0%
    The cycle typically leads to the lysis of the host cell.
Q.8.
Which of the following enzymes catalyzes the production of a strand of RNA from DNA?
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    RNA polymerase
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    RNA uses the sugar dextrose.
  • 0%
    reverse transcriptase.
  • 0%
    DNA polymerase
Q.9.
What kind of virus is HIV?
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    a retrovirus
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    Nucleotides
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    White blood cells.
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    DNA polymerase
Q.10.
When one DNA molecule is copied to make two DNA molecules, the new DNA contains
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    50% of the parent DNA
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    DNA polymerase
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    reverse transcriptase.
  • 0%
    RNA polymerase
Q.11.
The monomers of DNA and RNA are
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    a retrovirus
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    White blood cells.
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    Nucleotides
  • 0%
    In the cytoplasm.
Q.12.
Which of the following options best depicts the flow of information when a gene directs the synthesis of a cellular component?
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    DNA --> RNA --> protein
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    RNA uses the sugar dextrose.
  • 0%
    DNA uses the nitrogenous base uracil.
  • 0%
    reverse transcriptase.
Q.13.
Which of the following statements regarding the flow of genetic information is false?
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    Heavy use of antibiotics in medicine and in agriculture.
  • 0%
    initiation of a new RNA molecule.
  • 0%
    Transcription occurs in the cytoplasm of eukaryotic cells.
  • 0%
    The cycle typically leads to the lysis of the host cell.
Q.14.
HIV does the greatest damage to
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    In the cytoplasm.
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    reverse transcriptase.
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    White blood cells.
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    Nucleotides
Q.15.
When a T2 bacteriophage infects an Escherichia coli cell, which part of the phage enters the bacterial cytoplasm?
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    In the cytoplasm.
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    50% of the parent DNA
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    DNA template
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    Only the DNA
Q.16.
Keep
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    Four amino acids.
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    a retrovirus
  • 0%
    Nucleotides
  • 0%
    Studying
Q.17.
Which of the following enzymes catalyzes the elongation of a new DNA strand?
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    reverse transcriptase.
  • 0%
    RNA polymerase
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    DNA --> RNA --> protein
  • 0%
    DNA polymerase
Q.18.
Multiple origins of replication on the DNA molecules of eukaryotic cells serve to
  • 0%
    The cycle typically leads to the lysis of the host cell.
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    50% of the parent DNA
  • 0%
    DNA uses the nitrogenous base uracil.
  • 0%
    shorten the time necessary for DNA replication
Q.19.
Considering only the steps that take place during translations, which of the following is not needed in order for translation to occur?
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    DNA template
  • 0%
    Only the DNA
  • 0%
    DNA polymerase
  • 0%
    RNA polymerase
Q.20.
One type of virus that infects bacteria is called an?
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    DNA polymerase
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    Phage
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    a retrovirus
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    50% of the parent DNA
Q.21.
A eukaryotic cell has a nuclear envelope that allows tRNA molecules, but not mRNA molecules, to leave the nucleus. Which of the following processes will not be able to take place in this cell?
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    Exons are spliced together
  • 0%
    DNA --> RNA --> protein
  • 0%
    tRNAs binding to codons.
  • 0%
    Four amino acids.