Rough E

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8 Terms

1
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What connects to the nuclear envelope and contains ribosomes?

Rough Endoplasmic Reticulum (Rough ER)

2
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What is the primary function of ribosomes in the Rough ER?

Site of protein synthesis, specifically for lysosomes, organelle membranes, and excreted proteins.

3
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What modifications occur to proteins in the Rough ER?

Folding and post-transcriptional modifications.

4
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How does the Rough ER transport proteins?

It sends proteins to the Golgi apparatus for further processing and packages them via vesicles.

5
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What distinguishes the Smooth ER from the Rough ER?

The Smooth ER does not contain ribosomes.

6
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What is one key function of the Smooth ER?

Lipid synthesis, producing phospholipids for cell membranes.

7
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What detoxification role does the Smooth ER play?

It breaks down drugs and toxins and is abundant in liver cells.

8
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What is an important storage function of the Smooth ER in muscles?

Calcium storage, crucial for muscle contraction.