T2 biochem

Question 1

what is precursor of collagen

Answer 1

procollagen

Question 2

what are the functions of collagen

Answer 2

makes up cartilage and connective tissue
used widely in cosmetic surgery
for treatment of wrinkle and aging
form structure of bones and give support to the organ
main component of the tendon

Question 3

what is requirement of hydroxylation of collagen

Answer 3

vitamin C

Question 4

describe 3 abnormalities of collagen

Answer 4

osteogenesis imperfecta
scurvy
Ehlers Danlos syndrome

Question 5

what is enzyme that degrade the collagen

Answer 5

collagenase enzyme

Question 6

what is role of alpha 1 antitrypsin

Answer 6

inhibit elastase enzyme

Question 7

what happened if someone has antitrypsin deficiency

Answer 7

emphysema (destruction of elastin fibers in alveolar epithelial)

Question 8

what is precursor of elastin

Answer 8

tropoelastin

Question 9

keratin is present in

Answer 9

hair and nail

Question 10

what is water soluble form of collagen after denaturation

Answer 10

gelatin