They change the chemical composition of DNA, which can affect the structure or number of chromosomes.
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I think the correct answer from the choices listed above is option A. Fibers are found in grains, vegetables, and fruits which helps to keep the digestive system working properly and guards against colon cancer. Fiber<span> aids digestion and helps prevent constipation. It is sometimes used for the treatment of diverticulosis, diabetes, and heart disease.</span>
Answer:
the answer is D. All cells contain a nucleus