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  • Cell Organelles & Metabolic Functions: A Comprehensive Guide
    The small structures within a cell that carry out metabolic functions are called organelles. Here are some key organelles and their metabolic roles:

    * Mitochondria: These are the powerhouses of the cell, responsible for cellular respiration, the process of converting nutrients into energy (ATP).

    * Ribosomes: These are responsible for protein synthesis, translating genetic information from DNA into proteins.

    * Endoplasmic Reticulum (ER):

    * Rough ER: Ribosomes are attached to this organelle, making it involved in protein synthesis, folding, and modification.

    * Smooth ER: Synthesizes lipids, detoxifies drugs and poisons, and stores calcium ions.

    * Golgi Apparatus: Processes and packages proteins and lipids for secretion or delivery to other organelles.

    * Lysosomes: These contain digestive enzymes that break down cellular waste, damaged organelles, and ingested material.

    * Peroxisomes: These are involved in various metabolic processes like fatty acid oxidation, detoxification, and lipid synthesis.

    * Vacuoles: These store water, nutrients, and waste products, and play a role in maintaining turgor pressure in plant cells.

    * Chloroplasts (in plant cells): These are the sites of photosynthesis, converting light energy into chemical energy in the form of glucose.

    These organelles work together in a complex and interconnected manner to carry out all the necessary metabolic functions for a cell to survive and thrive.

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