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Ch. 6 - Lipids, Membranes, and the First Cells
All textbooksFreeman 8th EditionCh. 6 - Lipids, Membranes, and the First CellsProblem 2
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Chapter 6, Problem 2

Where are protein components of the extracellular matrix synthesized? a. in the rough ER b. in the Golgi apparatus c. in the plasma membrane d. in the extracellular layer itself

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Hi everyone. Let's look at our next question. It says the main function of the blank is to produce protein for various cellular functions. And we've got four different organelles here. A license um Be rough And a plasma particular um c mitochondria or de Golgi apparatus. Well the rough and a plasmid particular um is its main function is to produce protein. What makes it rough is the presence of the ribosomes which appear as those little round things on the rough. Er And the main job of the ribosomes is to make proteins. So Choice B rough and the plasma particular um is what produces proteins in the cell. But to be thorough we'll just go through our other answers. The choice A is license um The license um Are those little vesicles they serve to break down to lice molecules in a cell. So not producing protein. Not our answer to I C. Mitochondria of course their purpose is to produce energy not proteins. So mitochondria. Not our answer there. And finally Choice D the Golgi apparatus. Um This is similar to the end of the article um but this takes um already completed proteins and packages them and tags them for their final location. Final destination we should say. So that's after protein synthesis. So Choice T. Is not our answer. So again the main function of the choice. Be rough and the plasma critical um is to produce protein for various cellular functions. Thanks for watching. See you in the next video
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