BIO 1030 Lecture Notes - Lecture 9: Endoplasmic Reticulum, Golgi Apparatus, Nuclear Membrane

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BIO 1030 Lecture 9
Notes
Eukaryotic cells
o Protists
o Fungi
o Plants
o Animals
o Have a membrane bounded nucleus housing DNA
o Much larger than prokaryotic cells
o Compartmentalized and contain organelles
o 4 categories of organelles
Nucleus and ribosomes
Edoebrae syste’
Energy-related
Cytoskeleton
o Plant cells have a cell wall, vacuole, and chloroplasts
o Animal and plant cells share some of the organisms
o DNA is in the nucleus of a cell
o RNA is synthesized in the nucleus
o Endoplasmic reticulum is attached to the nuclear membrane
o Rough ER contains ribosomes
o Endomembrane system
Consists of
Nuclear envelope
Membranes of the endoplasmic reticulum
Golgi apparatus
Vesicles
Helps compartmentalize cell
Restricts reactions to specific organs
Transport vesicles carry molecules from one part of the system to
another
Membrane systems within the cell
o Endoplasmic reticulum
Complicated system of membranous channels and saccules
Physically continuous with outer membrane of nuclear envelope
Rough ER
Studded with ribosomes
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