1. Nucleus: structure and function
Submitted to: Dr. Mohammad Saeed
Submitted by: Sami ur rehman
Submitted date:11/11/2013

2. • Nucleus
• Nuclear Envelope
• Nuclear Components
 Nucleoplasm
 RNA and RNA protéine complexes
• Nucleolus
• ORGANISATION OF DNA IN CHROMOSOMES
 Nucléosomes and Chromatin'Structure
• REPLICATION OF DNA
 Semi-conservative Replication
 Replication Fork
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3. • Enzymes Involved in DNA Replication
• Synthesis of Okazaki Fragments
• TRANSCRIPTION
 RNA Synthesis in Procaryotes
 RNA Synthesis in Eucaryotes
• Different Types of RNA
• RNA PROCESSING IN EUCARYOTES
 Modification of mRNA
 Removal of Introns
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4. Lysosomes: fusion and function
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Lysosomes
The discovery of lysosomes
Membrane traffic routes to lysosomes
Endosome fusion with lysosomes
Delivery to lysosomes and lysosomal fusion.
Electron microscopy of endosome–lysosome
fusion.
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5. • Tethering
• Trans-SNARE complex formation.
• Hybrid organelles.
• Reformation of lysosomes from hybrids.
• Membrane fusion.
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