13-15: Each description listed below is most closely associated Choose the best

Question

13-15: Each description listed below is most closely associated Choose the best answer, AC wtthe following mechanisms of protein transport Each of the answer can only be used once Directions for questions A. Transport through pores B Transport across membranes C Vesicular transport y3 Proteins and RNA molecules move between the eytosol and the nucleus complexes in the nuclear envelope a Transmembrane protein translocators directly transport specific proteins across a 15. another trangport intermediates ferry proteins from one compartment to 16. What determines where proteins are delivered to in the cell? A. Signal sequences B. A vesicle C. Protein translocator 17. Which of the following statements about a protein in the lumen of the ER is false? A. A protein in the lumen of the ER is synthesized by ribosomes on the ER membrane. B. Some of the proteins in the lumen of the ER can end up in the extracellular C. Some of the proteins in the lumen of the ER can end up in the lumen of an D. Some of the proteins in the lumen of the ER can end up-in the cytosol. space organelle in the endomembrane system 18. Which of the following is the appropriate order of locations through which a protein going to the plasma membrane travels? A. lysosome endosome-plasma membrane B. ER-) lysosome-) plasma membrane Golgi ? lysosome ? plasma membrane D. ER Golgiplasma membrane

Explanation / Answer

13.A

14.C

15.B

16.A. Signal sequnces mostly present at N terminal are destined towards secretory pathway.

17.C

18.D. ER is the places where synthesis and folding take place which is then transfreed to golgi appartus which in transport protein to plasma membrane.

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