Thus, knowing a cell and its functions is important. Cell: The Unit of Life, a chapter in the NCERT Class 11 Biology textbook This chapter belongs to Unit 3, Cell: Structure and Function.

Functions: Plasma membrane permits the entry and exit of some materials in the cells. Therefore, plasma membrane is known as selective permeable membrane. (i) Diffusion: The spontaneous movement ...

Eukaryotic cells form the foundation of complex life, their defining feature being the presence of membrane-bound organelles. This article details the structure of eukaryotic cells and provides ...

Prokaryotes are unicellular organisms that lack membrane-bound structures. This article details the structure of prokaryotic cells and provides examples of prokaryotic organisms.