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Subcellular organelles ppt BIOCHEMISTRY


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Subcellular organelles ppt BIOCHEMISTRY

  1. 1. Dr. Vijay Marakala, MBBS, MD. Assistant professor BIOCHEMISTRY SIMS & RC
  2. 2. Endoplasmic reticulum Golgi apparatus Mitochondria Lysosomes Peroxisomes
  3. 3. • Network of interconnecting membranes Rough ER Smooth ER
  4. 4. Rough ER Smooth ER
  5. 5. Ribosomes are the site of Protein synthesis Site of post- translational modifications of proteins ROUGH ER Steroid hormone synthesis Site of metabolism of certain drugs SMOOTH ER
  6. 6.  Made up of proteins and rRNA.  Either attached to ER or float freely in the cytoplasm.  Consisting of two subunits- large and small subunits.
  7. 7. Golgi Apparatus Function: Maturation of synthesized proteins. Protein sorting, packaging and secretion
  8. 8. Lysosome
  9. 9. Function  Intracellular digestion of macromolecules, phagocytosis, receptor mediated endocytosis.  Degradation of proteins, carbohydrates, lipids and nucleotides Lysosomes
  10. 10. Peroxisomes are granular matrix. They contain peroxidases and catalases Detoxification : destroy unwanted peroxides and other free radicals.
  11. 11.  Erythrocytes do not contain mitochondria.  Mitochondria also contains specific DNA
  12. 12. FUNCTIONS  Inner mitochondrial membrane is involved in the production of ATP.  Mitochondrial matrix is the site of metabolic reactions
  13. 13. Mature RBC contain no nucleus  Replication  Transcription