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6.1 Identifying the Substance of the Gene

Quiz by Zhao

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34 questions
Show answers
  • Q1
    Who conducted the experiments that demonstrated the transformation of bacteria and proposed the 'Transforming Principle'?
    Louis Pasteur
    Gregor Mendel
    Frederick Griffith
    James Watson
    30s
  • Q2
    What did Griffith's experiments on bacteria involve?
    Photosynthesis
    Replication
    Transformation
    Fermentation
    30s
  • Q3
    What was the conclusion drawn from Griffith's experiments?
    Bacteria can only reproduce through binary fission.
    Different bacteria species have different DNA structures.
    Bacteria can replicate without any external influence.
    Genetic material can be transferred between bacteria through transformation.
    30s
  • Q4
    What is the molecular cause of transformation?
    DNA
    RNA
    Protein
    Carbohydrate
    30s
  • Q5
    Which scientist is associated with the discovery of the molecular cause of transformation?
    Gregor Mendel
    Oswald Avery
    Louis Pasteur
    Marie Curie
    30s
  • Q6
    Which type of molecule did Oswald Avery identify as the molecular cause of transformation?
    Lipid
    DNA
    Protein
    RNA
    30s
  • Q7
    What is the main conclusion of Oswald Avery's experiments on the molecular cause of transformation?
    Proteins determine the traits of organisms
    DNA carries genetic information
    Carbohydrates control genetic expression
    RNA is the transforming material
    30s
  • Q8
    In the Hershey-Chase experiment, which of the following was used to label the protein coat of the bacteriophage?
    Sulfur
    Phosphorus
    Nitrogen
    Carbon
    30s
  • Q9
    What was the purpose of the Hershey-Chase experiment?
    To investigate the effectiveness of antibiotics
    To develop a vaccine against viruses
    To study the structure of bacteriophages
    To determine whether DNA or protein is the genetic material
    30s
  • Q10
    What were the two components labeled with different radioactive isotopes in the Hershey-Chase experiment?
    DNA and protein
    Carbohydrates and nucleotides
    RNA and lipid
    Enzymes and lipids
    30s
  • Q11
    What type of virus did the Hershey-Chase experiment use?
    Influenza virus
    Herpes virus
    Bacteriophage
    HIV
    30s
  • Q12
    What was the conclusion of the Hershey-Chase experiment?
    DNA is the genetic material
    Neither DNA nor protein are genetic materials
    Protein is the genetic material
    Both DNA and protein are genetic materials
    30s
  • Q13
    Which radioactive isotope was used to label the DNA in the Hershey-Chase experiment?
    Nitrogen
    Phosphorus
    Carbon
    Sulfur
    30s
  • Q14
    What is a bacteriophage?
    A virus that infects bacteria
    A fungus that infects bacteria
    A type of bacteria
    A parasite that infects bacteria
    30s
  • Q15
    What is the purpose of infecting the bacteria with bacteriophages in the Hershey-Chase experiment?
    To determine the specific host range of the phages
    To study the proteins produced by the bacteria
    To observe the growth of bacteria in a controlled environment
    To allow the phages to transfer their genetic material into the bacteria
    30s

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