Which of the following is correct about the collagen triple-helix domain

a. is rich in glycine.                             b. is rich in proline.

c. is rich in hydroxyproline.                d. is an alpha helix.

#Question id: 12647

#Unit 6. System Physiology – Plant

#Question id: 26459

#Unit 3. Fundamental Processes

#Question id: 13071

#Unit 13. Methods in Biology

#Question id: 2532

#Unit 2. Cellular Organization

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 (hydroxyprolinerich 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 combination of nonenzymatic protein with its correct location?

#Question id: 2835

#Unit 2. Cellular Organization

An enhancer

a. can be located upstream of a promoter.

b. can be located downstream of a promoter.

c. can be located a variable distance from the promoter.

d. is always located within 1 kb of the promoter.

e. can be cell-type-specific.