An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the…

An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called
  1. thylakoid
  2. endoplasmic reticulum
  3. plasmalemma
  4. cytoskeleton

Solution

The cytoplasm of all eukaryotic cells is criss-crossed by a network of protein fibres that support the shape of the cell and anchor organelles to fixed locations. This network is called cytoskeleton. It consists of three types of cytoskeletal filaments namely act filaments or microfilaments (formed of globular protein actin), microtubules (formed of tubulin protein) and intermediate filaments (formed of variety of proteins like vimentin, keratin, desmin, peripherin, lamin, etc).

Asked in: NEET 2010 (Mains)

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