Question

can you help me answer 18, 20 & 23

17. Which of the two following metabolic pathways require a nacin co m e ? a. Glycolysis and the conversion of byte to CA b. Glycolysis and copenlysis Glycopenlysis and conversion of pyruvate to acetyl-CoA d. Conversion of Dynate to acetyl-CoA and branched-chain amino acids 18 South and Central American countries that depend on a com-based diet prevent the decency Per because com is r ed with an acid to release nacin from the protein b. cornis first ground to remove potential toxin c.com is first roasted and the ground to release main from the protein d.com is first treated with n o reas o n the protein 19. Which of the following best describes how a. It is required for the activation of NAD and FADH othenic acid related to the formato b. Its role as Con e A is required for the thesis of ATP

Answer 1

18.When there is deficiency of niacin in the diet it leads to pellagra (Vitamin B3 deficiency) The tryptophan is responsible for the formation of niacin. Here tryptophan is an essential aminoacid.Corn are first soaked and cooked in lime water which is alkaline in nature and then hulled out .Usually boiling releases niacin. Then roasted and grounded to release niacin

Ans:d.corn is first treated with an alkali to release niacin from a protein

20.Biotin is one of the B complex vitamin responsible for some important function in the body.It converts the carbohydrates into energy

Ans:d.Carbohydrates

23.The msin function of the PLP are transaminase reaction,deamination in the brain. Hence there is proper transmission of chemical contents to the brain

Ans:c.transaminase reactions