Cellular organization is the basis of life from "summary" of NCERT Solutions - Biology for Class 12th by Dr. Madhurbhashini,Sargam Hans,Shanya Hans
Cellular organization is the fundamental principle of life on Earth. All living organisms, from the simplest bacteria to the most complex multicellular organisms, are composed of cells. These cells are the basic structural and functional units of life. They perform all the necessary functions to keep an organism alive, such as metabolism, growth, reproduction, and response to stimuli. Cells are highly organized structures with specialized compartments that carry out specific functions. Each organelle within a cell has a specific role to play in maintaining the overall function and health of the cell. For example, the mitochondria are responsible for producing energy through cellular respiration, while the nucleus contains the genetic material that dictates the cell's activities. The cellular organization extends beyond individual cells to the level of tissues, organs, and organ systems in multicellular organisms. Cells group together to form tissues with specific functions, such as muscle tissue for movement or nerve t...
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