Identify the correct statements regarding biomolecules. A. Amino acids are substituted methanes. B. Palmitic acid contains 16 carbon atoms including the carboxyl carbon. C. Uracil is a purine nitrogenous base present in RNA. D. Cellulose is a heteropolymer consisting of multiple types of monosaccharides. E. Dietary proteins are the source of essential amino acids for our body. Choose the correct answer from the optio

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Statement A is correct as amino acids are organic compounds containing an amino group and an acidic group as substituents on the same -carbon, making them substituted methanes. Statement B is correct as palmitic acid is a saturated fatty acid with the formula CH₃(CH₂)₁₄COOH , which contains a total of 16 carbon atoms including the carboxyl carbon. Statement C is incorrect because uracil is a pyrimidine nitrogenous base, not a purine. Purines include adenine and guanine. Statement D is incorrect because cellulose is