The endoplasmic reticulum (ER) is an organelle in some cells. In these cells, it

Question

The endoplasmic reticulum (ER) is an organelle in some cells. In these cells, it is continuous with the nuclear membrane and forms a large part of the cell's total membrane. Sort the phrases below as describing rough ER, smooth ER, both, or neither. Note: If you answer any part of this question incorrectly, a single red X will appear indicating that one or more of the phrases are sorted incorrectly.

1) Found in prokaryites and uekaryotys

2) involved in protein synthesis

3) involve in lipid synthesis

4) contains molecular chaperones in lumen

5) bound with ribosomes

6) involved in toxin or drug metabolism

7) large systemot internnected tubules,vesicles, and sacs

8) "Packages" enzymes in vesicles for secretion.

Explanation / Answer

1) Found in prokaryotes and eukaryotes - Neither (Prokarytoes do not have endoplasmic reticulum).

2) involved in protein synthesis - rough ER

3) involve in lipid synthesi - smooth ER

4) contains molecular chaperones in lumen - rough ER

5) bound with ribosome - rough ER

6) involved in toxin or drug metabolism - Smooth ER

7) large system interconnected tubules,vesicles, and sacs - Smooth ER

8) "Packages" enzymes in vesicles for secretion - Neither

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