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MODULE 2

1. All are true concerning glucose EXCEPT ___.A. Oxidation for energy productionB. Converted to galactoseC. Storage in the form of glycogenD. Excretion in sweat in case of hyperglycemia

2. ___ inhibit pyruvate dehydrogenase.A. MercuryB. ZincC. CupperD. Ferum

3. All are alternative names of HMP EXCEPT ___.A. PPPB. AMPC. Phosphogluconate oxidative pathwayD. Direct oxidation of glucose

4. Rate limiting enzyme in HMS.A. G6PDB. 6-Phosphogluconate dehydrogenaseC. Pyruvate kinaseD. Glucose-6-phosphatase

5. Coenzyme in conversion of propionate to propionyl-CoA.A. MagnesiumB. BiotinC. Vitamin B6D. Vitamin B12

6. Regulation of glycogenolysisallosterically; ___ activates the glycogenesis process and stimulated___ enzyme where it inhibits the glycogenolysis.

A. ATP, glycogen phosphorylaseB. AMP, glycogen phosphorylaseC. G6P, glycogen synthaseD. ATP, glycogen synthase

7. Performed galactose is essential in the diet.A. TrueB. False

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8. Dietary lipids are ingested in form of all of these EXCEPT ___.A. TriglyceridesB. Cholesterol estersC. Free fatty acidsD. Alcohol

9. Major oxidation of fatty acids is beta oxidation.A. TrueB. False

10.Ketogenesis is formation of ketone bodies in the ___.A. Adipocytes ribosomesB. Livers mitochondriaC. Adipocytes mitochondriaD. Livers ribosomes

11.Cholesterols are synthesized de novo in all of these EXCEPT ___.A. IntestineB. OvaryC. Adrenal cortexD. Gall bladder

12.All are true concerning allosteric regulation of fatty acid synthesis EXCEPT ___.A. Citrate activates acetyl CoA carboxylaseB. Acyl CoA inhibits transport of citrate from mitochondria to the cytosolC. Acyl CoA activates CoA carboxylaseD. Acyl CoA inhibits G6PD which generates NADPH

13.Enzyme at the first step of de novo synthesis of lipositol.A. Phosphatidylinositol synthaseB. CytidyltransferaseC. PhosphatidyltransferaseD. Cytidylphosphorylase

14.Lipid contains all of these EXCEPT ___.A. CarbonB. HydrogenC. NitrogenD. Potassium

15.Arachidonic acid is ___.A. Essential

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B. Semi essentialC. Non-essentialD. None of the above

16.Gangliosides are present in nervous tissue in high concentration.A. TrueB. False

17.All are true concerning glycine EXCEPT ___.A. Aliphatic neutralB. Has an asymmetry carbon atomC. Hydrophilic unchargedD. Non-essential

18.All are true concerning tryptophan EXCEPT ___.A. Heterocyclic contain an indole ringB. Has optical activityC. HydrophobicD. Non-essential

19.Coiling, folding or bending of the polypeptide chain.A. Primary structure of proteinsB. Secondary structure of proteinsC. Tertiary structure of proteinsD. Quaternary structure of proteins

20.Derived protein.A. DNAB. HemoglobinC. FerritinD. Peptone

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ANSWER

1. D2. A3. B4. A5. A6. C7. B glucose can be converted to glucose8. D9. A10.B11.D12.C13.B14.D15.B16.A17.B18.D19.B20.D