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Discovery of the Genetic Material

Quiz by sohail qureshi

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8 questions
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  • Q1

    Scientists knew that genes were carried on..................

    chromosomes

    30s
  • Q2

    chromosomes were made of DNA and protein

    yes

    30s
  • Q3

    Griffith studied .........................strains of Streptococcus pneumoniae

    two 

    30s
  • Q4

    He concluded that the live R strain had changed into live S strain

    yes

    30s
  • Q5

    When Griffith injected live R strain into a mouse, the mouse did not die.

    true

    30s
  • Q6

    When Griffith injected live S strain into a mouse, the mouse died.

    true

    30s
  • Q7

    Griffith heated and killed the S strain. When injected, the dead S strain no longer killed the mouse.

    true

    30s
  • Q8

    , Griffith mixed the heat-killed S strain with the live R strain.  when he injected the mixture into a mouse, something unexpected happened—the mouse died.

    true

    30s

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