Which of These Statements Is True

Which of these statements is true?

A) Carbohydrates are organic molecules formed from amino acid building blocks.
B) Monosaccharides become bound together by hydrolysis reactions to form polysaccharides.
C) Monosaccharides, disaccharides, and polysaccharides are large inorganic molecules.
D) The building blocks for lipids are nucleotides.
E) Essential amino acids are those that cannot be synthesized by the body.