The answer would be D.
Enzymes activity increases as the temperature increase so, therefore the answer would be D.
but to be fair they all would work.
This could be two answers Water or Oxygen. I would go with water because it contains oxygen therefore making it a possible answer. Hope I helped. :)
Answer:
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Answer:
B. Putting the bacterium through a mass spectrometer.
Explanation:
FOR OBSERVATION AND TO CHECK THE RECOMBINANT DNA PROCESS WE HAVE TO THE OBSERVE THE REPLICATION PROCESS OF BACTERIA.