1
Name the five vitamins required by pyruvate dehydrogenase or -ketoglutarate dehydrogenase complex
Thiamine, riboflavin, lipoic acid, niacin, pantothenic acid,
2
Muscle glycogen does not directly contribute to blood glucose due to absence of the enyme
Absence of glucose 6-phosphatase
3
Ascorbic acid is not synthesized in man due to lack of the enzyme
L-Gulonolactone oxidase
4
The compound implicated in the development of cataract in diabetic patients is
Sorbitol
5
Galactosemia is mostly due to the deficiency of the enzyme
Galactose 1-phosphate uridyltransferase
6
The two amino acids that are never glucogenic are
Leucine and lysine
7
Substrate level phosphorylation in citric acid cycle is catalysed by the enzyme
Succinate thiokinase
8
The metabolic pathway concerned with the conversion of L-xylulose to D-xylulose is
Uronic acid pathway
9
The name of the protein that has been identified to serve as a primer for glycogen synthesis is
Glycogenin
10
The metabolite among the citric acid cycle intermediates performing a catalytic role
Oxaloacetate
11
Which enzymes in glycolysis catalyses an irreversible reaction
Pyruvate kinase , Phosphofructokinase, Hexokinase
12
Synthesis of 2, 3-bisphosphoglycerate occurs in the tissue namely.
Erythrocytes
13
The hormone that lowers cAMP concentration in liver cells is
Insulin
14
The number of ATP produced when a molecule of acetyl CoA is oxidized through citric acid cycle
12
15
The connecting link between HMP shunt and lipid synthesis is
NADPH