Identify the correct statements about biomolecules. A. Lipids are generally water soluble. B. Proteins are polypeptides. C. Polysaccharides are long chains of sugars. D. Adenine and guanine are substituted pyrimidines. E. Almost all enzymes are proteins. Choose the correct answer from the options given below :
B. B, C and E only
Statement A is incorrect because lipids are generally water insoluble. Statement B is correct because proteins are polypeptides, which are linear chains of amino acids linked by peptide bonds. Statement C is correct because polysaccharides are long chains of sugars (monosaccharides). Statement D is incorrect because adenine and guanine are substituted purines, whereas cytosine, uracil, and thymine are substituted pyrimidines. Statement E is correct because almost all enzymes are proteins, with a few exceptions like ribozymes (which are nucleic acids). Therefore, the correct statements are B, C, and E. Answer: B, C and E only
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