If we all had the same DNA that would mean we would all be the same, no differences <span />
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Perception...
Hope this helps you.
Medications can be tested on cell cultures instead of being injected into patients unnecessarily.
Cancer cells continue to grow in the cultures uncontrollably allowing scientists to test multiple medications on the cancer cells.
Answer:the answer is D
Explanation:
ALL LIVING THING NEEDS NUTRIENCE
