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Subcellular organelles ppt BIOCHEMISTRY
 

Subcellular organelles ppt BIOCHEMISTRY

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  • Structure, nuclear mem, pore, chromatin, nucleolusNucleolus: small dense material rich in RrnaFUNCTION

Subcellular organelles ppt BIOCHEMISTRY Subcellular organelles ppt BIOCHEMISTRY Presentation Transcript

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