If you are supposed to get your answer from the passage, one could gather that you need to maintain a healthy lifestyle to keep you growing so that these genes are not diminished, a leading factor in cancer.
Answer:
In passive transport, substances move from an area of higher concentration to an area of lower concentration. Diffusion through a permeable membrane moves a substance from an area of high concentration (extracellular fluid, in this case) down its concentration gradient (into the cytoplasm).
Explanation:
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