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    Cell and Molecular Biology
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    Exam 1: Introduction to the Study of Cell and Molecular Biology
  5. Question
    Prokaryotic Cells Have Been Identified in Rock Dated at ____________
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Prokaryotic Cells Have Been Identified in Rock Dated at ____________

Question 49

Question 49

Multiple Choice

Prokaryotic cells have been identified in rock dated at ____________


A) 2.7 million years old
B) 2.7 billion years old
C) 2.4 million years old
D) 2.4 billion years old
E) 4 billion years old

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