Copyright © 2005 Pearson Prentice Hall, Inc. Intracellular Compartments and Transport Membrane Enclosed Organelles Protein Sorting Vesicular Transport

Copyright © 2005 Pearson Prentice Hall, Inc.

Intracellular Compartments and

Transport

•Membrane Enclosed Organelles

•Protein Sorting

•Vesicular Transport

•Secretory Pathways

•Endocytic Pathways


Membrane Enclosed Organelles

• Eukaryotes’ Basic Set• Evolution


Membrane Enclosed Organelles Eukaryotes’ Basic

Set-Diagram



Set-List



Set-Electron Micrograph



Set- Relative Volume &

Abundance


Membrane Enclosed Organelles Evolution -

Nucleus


Membrane Enclosed Organelles Evolution -

Mitochondria


Protein Sorting

• Three mechanisms• Signal Sequences Direct Proteins to

the Correct Compartment• Enter Nucleus through Nuclear Pores• Unfold to Enter Mito & Chloro• Enter ER during Synthesis• Soluble Released into ER lumen• Transmembrane Arrangement by Start

& Stop Signals


Protein Sorting3 Mechanisms


Protein Sorting Signal Sequences Direct Proteins to

the Correct Compartment


Protein Sorting


Protein SortingTransport through Nuclear

Pores



Pores



Pores


Protein SortingUnfold to Enter Mitochondrion & Chloroplast


Protein Sorting Enter ER during Synthesis








Protein Sorting Transmembrane Arrangement by

Start & Stop Signals


Documents

Copyright © 2005 Pearson Prentice Hall, Inc. Intracellular Compartments and Transport Membrane Enclosed Organelles Protein Sorting Vesicular Transport