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A paleontologist is trying to study the DNA of a fossil from an extinct animal called X. He has formulated three hypotheses. Which hypothesis CANNOT be tested?
A. X's DNA has a high proportion of protein.
B. The protein content of X's DNA changes with its life cycle.
C. X's DNA consists of a single strand.

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nickiminajfan
B.  Because the animal is not alive, its DNA can not be tested to see if it changes over its life cycle

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