Golgi Apparatus

ID #1288

In the 28th lecture you said that most of metabolism of Golgi in plant cell devoted for cell wall building. I am confused. Is Golgi involved in cellulose synthesis or in only cell wall proteins synthesis? I mean is it involved in polysaccharide synthesis?

The cell wall biosynthesis I was referring to is actually polysaccharide synthesis of the non-cellulose components of the cell wall. The cellulose (which is of course is the most abundant component) doesn't have to be made in the Golgi because ultimately it's not that complicated -- it's just monomer afer monomer of glucose. But the other carbohydrate components of a cell wall, like hemicellulose and pectin, are more complicated in structure, and the Golgi handles synthesizing them.

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