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ill be directly af 3. Indicate by Ycs or Ne whether the protein content of by a

ID: 254222 • Letter: I

Question

ill be directly af 3. Indicate by Ycs or Ne whether the protein content of by a defect in the ER protein trafficking pathway. (0.2 points cach) The plasma membrane (PM) a. b. The peroxisome c. The mitochondrion; d. The chloroplast: e. Transport vesicles; f. The Golgi network: g The cytosol; h. The ER i. The endosomes; j. The lysosomes; k. The transition vesicles: I. The endocytic vesicles. 4. Which compartment of the Golgi network accomplishes the following? (0.25 points each) a. Proteins processing (modification): b. Sending of material to the PM and endosomes: c. Reception of material from the ER d. Sorting of proteins by final destination 5. Proteins are modified as they travel w following processes specifically take place? (0.2 points each) a. Attachment of N-acetylglucosamine b. Biosynthesis of core oligosaccharide; c. Phosphorylation of lysosomal proteins; d. Attachment of sulfate to tyrosine; e. Removal of misfolded proteins; 6. The structural element of a protein that dictates its cellular localization is its 7. For all proteins that are encoded by the nuclear DNA, the synthesis starts onribosomes.

Explanation / Answer

Plasma membrane: Yes

Peroxisome: Yes

The mitochondrion: No

The chloroplast: No

Transport vesicle: Yes

The golgi network: Yes

The ER: Yes

The cytosol: No

The endosome

The lysosome:Yes

The transition vesicle: Yes

The endocytic vesicle: Yes

Protein processing (modification): Cisternae

Sending of material to the PM and endosomes: Trans Vesicle

Reception of material from the ER: cis cisternae of the Golgi

Sorting of protein by final destination: Trans Vesicle side of the Golgi

Attachement of N acetylglucosamine: Cisternae of Golgi complex

Biosynthesis of core oligosaccharides: cytosolic face of ER and in the Lumen of ER

Phosphorylation of Lysosomal protein: Golgi

Attachment of sulfate to tyrosine: Trans Golgi

Removal of misfolded protein: ER

Structural chemical of a protein that dictates its cellular localization is its final destined

For all proteins that are encoded by the nuclear DNA synthesis starts on 80S Ribosome