L5: vitamin C and B group 1

Question 1

What is the role of ascorbic acid in metabolism ?

Answer 1

Post translational hydroxylation of Lysine and Proline residues in collagen.

prevents anemia

boosts immunity

anti oxidant

Question 2

what are the symptoms of vitamin C deficiency ?

Answer 2

Easy bruising & Petechiae (pinpoint hemorrhages in the skin) due to increased capillary fragility. severe deficiency results in scurvy

Question 3

what is the function of Thiamine B1

Answer 3

has a key role in carbohydrate metabolism

Question 4

what is the role of thiamine?

Answer 4

coenzyme in carbohydrate metabolism

required for transmission of nerve impulses and normal functioning of nerves

involved in production of acetylcholine ( neurotransmitter and for myelin synthesis

Question 5

what is an example of a rich source of thiamine ?

Answer 5

aleurone layer of cereals

Question 6

what is the role of vitamin B2?

Answer 6

participates in oxidation-reduction reactions

Question 7

what is a good source of vitamin B2?

Answer 7

MILK

Question 8

What vitamin is associated with oral-ocular genital syndrome ?

Answer 8

vitamin B2

Question 9

Severe defficiency in vitamin D3(niacin) results in ?

Answer 9

pellagra ( ddd disease)

Question 10

what is the coenzyme form of thiamine B1 ?

Answer 10

Thiamine prophosphate