When a living tissue is ground in trichloroacetic acid and filtered, various biomolecules separate into acid-soluble and acid-insoluble fractions. Which of the following secondary metabolites will be recovered in the acid-insoluble fraction and is classified as a polymeric substance?

Step-by-step solution

Biomolecules that have molecular weights strictly in the range of 18 to 800 Daltons are found in the acid-soluble pool, while macromolecules (proteins, nucleic acids, polysaccharides) are found in the acid-insoluble fraction (retentate). Cellulose is a polysaccharide, making it a macromolecule that will be found in the acid-insoluble fraction. Furthermore, it is explicitly classified under 'Polymeric substances' in the secondary metabolites table. Concanavalin A is a protein (macromolecule) and thus acid-insoluble,