13. A non-Golgi protein that reaches the TG N and has neither a lysosomal tag, n

Question

13. A non-Golgi protein that reaches the TG N and has neither a lysosomal tag, nor an ER retention signal will probably be 14. For the tagging of lysosomal proteins, the man 15. Secreted proteins are enclosed in 16. During endocytosis, the membrane of the endocytic vesicle is derived from the 17. Pinocytosis refers to the engulfment of 18. During phagocytosis, the cell extends 19. Endocytic vesicles resulting from phagocytosis are called 20. Durin nose is phosphorylated in the vesicles in the TGN. to surround the particle ring receptor-mediated endocytosis, membrane curvature and invagination is promoted by adaptor protein and 21. During receptor-mediated endocytosis, the separation of the formed vesicle from the plasma membrane is promoted by 22. During vesicle trafficking, the recognition between the vesicle and the target membrane is mediated and by 23. Worn-out organelles are digested after they have been enveloped into vacuoles. Part 2: Cytoskeletal system and cellular movements. 24. In microtubules (MTs), a single stack of tubulin dimers is called a 25. The microtubules found in cilia and flagella are called 26. The first step in microtubule formation is called microtub du which dimers aggregate in oligomers? 7. If the prevailing tubulin concentration is than the critical concentratio (CC), the microtubules will grow

Explanation / Answer

A non golgi protein that reaches the TGN and has neither a lysosomal tag, nor an ER retention signal will probably be carried from the TGN to cell surface in vesicles of constitutive secretory pathway .

For e.g.- plasma membrane protein for non polarized cells, such as fibroblasts and white blood cells, may not require special sorting signals. Such protiens may simply be carried from the TGN to cell surface in vesicles of constitutive secretory pathway.

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