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If there are no animal cells, then life on earth would not exist. Also plants would dominate.
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Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor. hope this helps
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Answer:
I dont know what your experiment is but the control variable is the thing your keeping the same.
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