Origin of Life
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  • Question 1
    120 seconds
    Q. This experiment was conducted by the scientists:
    answer choices
    Stanley Miller and Harold Urey
    Harold Urey and Albert Einstein
    Louis Pasteur and Francesco Redi
    James Watson and Francis Crick
  • Question 2
    120 seconds
    Q. Which question were the scientists trying to answer with this experiment?
    answer choices
    Where do cells come from?
    How did prokaryotes form cell membranes?
    How are biomolecules formed?
    What gave rise to the Eukaryotic cell?
  • Question 3
    120 seconds
    Q. The apparatus in the experiment was used to mimic what?
    answer choices
    Present Earth conditions
    Early Earth conditions
    Nucleic acids (DNA/RNA)
  • Question 4
    120 seconds
    Q. The electrical sparks mimicked?
    answer choices
    The Sun's energy
    Volcanic eruptions
    Cosmic radiation
  • Question 5
    180 seconds
    Q. Miller/Urey and other scientists have shown that:
    answer choices
     Life on early Earth required material from space
    Cells survived in the primitive atmosphere
    Amino acids could be produced from inorganic molecules 
    Simple cells can be produced in a laboratory
  • Question 6
    120 seconds
    Q. Which type of cell came first?
    answer choices
    Both Eukaryotic and Prokaryotic cells evolved around the same time
  • Question 7
    300 seconds
    Q. The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
    answer choices
    Fossil A and C are the same age
    Fossil B is older than fossil C
    Fossils A is older than fossil B
    Fossil D is older than fossil C
  • Question 8
    120 seconds
    Q. Based upon the conditions of the early Earth, which forms of live most likely appeared first?
    answer choices
    Prokaryotic and aerobic
    Prokaryotic and anaerobic 
    Eukaryotic and aerobic
    Eukaryotic and anaerobic
  • Question 9
    120 seconds
    Q. The idea that Earth's early oceans had organic molecules that became the first life is called the...
    answer choices
    Primordial soup hypothesis
    Bubble hypothesis
    Miller-Urey Experiment
    Radioactive dating theory
  • Question 10
    120 seconds
    Q. The theory of Endosymbiosis explains...
    answer choices
    The origin of eukaryotes
    How species develop
    How bacteria evolved
    Why cells rely on one another
  • Question 11
    120 seconds
    Q. RNA World Theory states that ...
    answer choices
    Life came from RNA
    Life came from life
    Life came from non living things
    Life came from outer space
  • Question 12
    30 seconds
    Q. The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today? 
    answer choices
    Amino acids spontaneously form from molecules in the atmosphere today
     Organic molecules are present today in extremely high concentrations
    The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory
    No other alternative hypotheses have been introduced
  • Question 13
    30 seconds
    Q. The two extant species that are closely related to each other are __.
    answer choices
    A and B
    B and C
    C and D
    D and E
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