Endoplasmic reticulum Flashcards
1
Q
What is the endoplasmic reticulum?
A
a manufacturing organelle
2
Q
What does ER look like?
A
a highly folded membranous organelle physically connected to the nuclear envelope
3
Q
What is the interior of the ER called?
A
The lumen
4
Q
What does the Rough ER have?
A
many attached ribosomes
5
Q
What is Rough ER important for?
A
Manufacturing of proteins
6
Q
Where are proteins packaged?
A
Within the lumen
7
Q
What are proteins exported by?
A
membranous vesicles that bud off of the ER
8
Q
What does Smooth ER lack?
A
Noattached ribosomes
9
Q
What are Smooth ER important for?
A
Manufacturing lipids (steroids)
