NEET Biology The Living World Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Answer: (d)

Molecular assemblies are large organised sets of molecular units that make up parts of organelles. For example, one common macromolecular assembly is the microtubule which is important in forming structure in the cell related to maintaining the cell structure or related to cell movement. The cell (plasma) membrane surrounds many organelles and the cell is a highly organised molecular assembly.