CT III: Fibers of CT Flashcards
1
Q
What are collagen fibers composed of?
A
Collagen protein
2
Q
Most abundant protein in the body
A
Collagen protein
3
Q
This fiber of CT has a great deal of tensile strength and is flexible, but essentially doesn’t stretch
A
Collagen fibers
4
Q
Synthesized inside the cell from 3 polypeptide chains which have large amounts of AAs
A
Procollagen
5
Q
Of which AAs does procollagen have large amounts?
A
- Glycine
- Proline
- Hydroxyproline
6
Q
A cofactor essential for the hydroxylation of proline and lysine
A
Vitamin C
7
Q
What does an inadequate amount of vitamin C cause?
A
- Dec. collagen formation
- Defective wound healing (scurvy)
8
Q
Procollagen is secreted and cleaved to form what?
A
Tropocollagen