Download Endoplasmic Reticulum - APBioLJCDS2010-2011

Endoplasmic Reticulum
“The Biosynthetic Factory”
By Nick Gatto and Alex Lee
Structure
Structure
Function of Smooth E.R.
Enzyme Synthesis:
Steroid (Hormone) Production
Function of Rough E.R.
Protein Synthesis
Membrane Factory
Rap (not us)
• http://www.youtube.com/watch?v=hpj7DVTp
XjY&feature=related
• Start at 2:10
An Ode to The Endoplasmic Reticulum
Oh my endoplasmic reticulum,
You are both rough and smooth.
You serve multiple functions,
All of which are useful.
Your Structure and abundance varies from cell to cell.
Some prefer you smooth,
Like the liver and reproductive cells.
You synthesize enzymes,
Lipids like the very important oils, phospholipids, and steroids.
You also deal with our poisons,
Never failing to make chemicals more soluble by adding Hydroxyl groups.
Your rough half also performs valuable functions.
You harbor protein-producing ribosomes,
Then shelter the proteins as they fold into more mature structures.
Then you send them on their way in their own little vesicle.
All the time creating more membrane for yourself by forming phospholipids.
You’re so close to the nucleolus,
A valiant look out.
Sounding the alarm when there is a problem with protein production.
You comprise more than half the membrane in most cells,
And you are still so humble.
•
Bibliography
Works Cited
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