Vitamin B7 (Biotin)

Question 1

Also known as ANTI-EGG WHITE INJURY FACTOR

Endogenously synthesized by INTESTINAL FLORA

Answer 1

Vitamin B7 (Biotin)

Question 2

Active form of Vitamin B7 (Biotin)

Answer 2

Enzyme bound biotin (CarboxyBiotin)

Question 3

Coenzyme role of Biotin

Answer 3

Gene expression, FA synthesis, gluconeogenesis and serve as CO2 carrier for carboxylases enzymes and gene regulation by histone biotinylation

Question 4

Coenzyme for ATP dependent Carboxylation reaction

Answer 4

Pyruvate Carboxylase (Pyruvate to Oxaloacetate)

Propionyl CoA Carboxylase (Propionyl CoA to Methyl Malonyl CoA)

Acetyl Coa Carboxylase (Acetyl CoA to Malonyl CoA)

Question 5

Biotin Antagonist

Answer 5

AVIDIN - protein in raw egg white

eating raw egg is harmful because avidin present in raw egg inhibit biotin

Question 6

Deficiency of Biotin

Answer 6

Mental changes - depression, hallucination, paresthesia, anorexia and nausea