Schematic of typical animal cell, showing subcellular components. Organelles: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (ER) (6) Golgi apparatus (7) cytoskeleton (8) smooth ER (9) mitochondria (10) lysosome (11) cytoplasm (12) peroxisome (13) centrioles
Cell Organelles and Metabolism:
An organelle is a discrete structure of a cell having specialized functions. An organelle is to a cell what and organ is to the body.
Metabolism is the complete set of chemical reactions that occurs in living cells. These processes are the basis of life, allowing cells to grow and reproduce, maintain their structures, and respond to their environments. http://en.wikipedia.org/wiki/Metabolism It is usually divided into two categories catabolic reactions and anabolic reactions. Catabolic reactions yield energy and anabolic reactions use energy.
Structure of the coenzyme adenosine triphosphate, a central intermediate in energy metabolism.
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