Explanation:
option D is the correct answer ..
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1 bc it makes the most sedentary
adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).
According to sources, the most probable answer to this query is that nephrons found in the kidney are responsible for filtering out waste in the blood cells. The resulting product is urea.
This is then excreted to the body.
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