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Question
Stable isotope probing (SIP) is a method thatA) causes cells that hybridize with a fluorescent probe to fluoresce under UV light.
B) compares the isotopic ratios of different compounds in the environment to determine whether they are of biological or geological origin.
C) uses substrates containing heavy isotopes to label the DNA of organisms that use those substrates.
D) compares the transcription of specific isotope labeled genes under different conditions.
Answer
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