Test: Biomacromolecules (NCERT) - NEET MCQ

The acid soluble pool is characterized by having lower molecular weight compounds ranging from 18 to around 800 daltons and typically includes water and small ions, matching with Option B in Column II. The acid insoluble fraction includes macromolecules such as proteins, nucleic acids, and polysaccharides, which generally have molecular weights above ten thousand daltons, aligning with Option A in Column II. Thus, the correct match is 1-B, 2-A.

The assertion is true as lipids, though typically having molecular weights not exceeding 800 Da, are found in the acid insoluble fraction. The reason correctly explains this by stating that lipids are involved in forming cell membrane structures that are not water-soluble. When tissues are disrupted, these membrane structures break into vesicles that end up in the macromolecular fraction due to their insolubility in water. Thus, Reason R provides the correct explanation for Assertion A.