Ubiquitinated proteins are proteolytically degraded in an ATP-dependent process mediated by a large (∼2500 kD, 26S) multiprotein complex named the 26S proteasome;

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#Question id: 14958

#Unit 6. System Physiology – Plant

Where the matrix polysaccharides are synthesized by

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#Question id: 14957

#Unit 6. System Physiology – Plant

the xylan backbone may be synthesized by a distinctly different group of synthases, including synthases named;

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#Question id: 14956

#Unit 6. System Physiology – Plant

Where is the catalytic domain of cellulose synthase located?

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#Question id: 14952

#Unit 6. System Physiology – Plant

Some are thin areas where the primary wall is not covered by a secondary wall and are populated with plasmodesmata known as

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#Question id: 14947

#Unit 6. System Physiology – Plant

 Nonenzymatic proteins whose exact functions are uncertain. Such proteins may be localized in the walls of specific cell types or more widespread

cell wall protein                                                                   Tissue localization

      A) HRGP (hydroxyproline rich glycoprotein)              i) Xylem, fibers, cortex, root hairs

      B) AGP (arabinogalactan protein) ii) Primary xylem and phloem

     C) PRP (proline-rich protein)                                          iii) Cambium, vascular parenchyma

     D) GRP (glycine-rich protein)                                  iv) Varied cell-specific expression

Which of the following combinations of nonenzymatic protein with its correct location?

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#Question id: 13555

#Unit 6. System Physiology – Plant

Water Loss Is Also Regulated by the Pathway Resistance