7601. Which of the following factors delay wound healing____________?
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A. B & C option

B. Ascorbic acid deficiency

C. Vitamin B12 deficiency

D. Infection

7602. The product of oxidation of odd chainfatty acids is______________?
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A. Propionyl CoA

B. Fumaryl CoA

C. Aceto acetyl CoA

D. Malonyl CoA

7603. R-RNA is mainly produced mainly in___________?
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A. Ribosome

B. Nucleolus

C. Endoplasmic reticulum

D. Nucleus

7604. Precursor of melanin is________________?
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A. Tyrosine

B. Phenylalanine

C. Tryptophan

D. Methionine

7605. Alkaptonuria, an inherited metabolic disorder of L0tyrosine metabolism is due to lack of_____________?
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A. Tyrosine transaminase

B. Tyrosine oxidase

C. Homogentisate oxidase

D. Parahydroxy phenyl pyruvate Hydroxylase

7608. Which is the by product of the urea cycle_______________?
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A. Aspartate

B. Succinate

C. Fumarate

D. Ornithine

7609. Cell membrane consists of_________________?
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A. Lipids only

B. None of the above

C. Lipids and proteins

D. Protein only

7610. Creatine is formed metabolically from______________?
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A. Phenylalanine

B. Histidine

C. Arginine

D. Tryptophan

7611. Aromatic ring is present in_____________?
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A. Glycine

B. Phenylalanine, Glycine

C. Arginine

D. Phenylalanine
7612. The primary role of chaperones is to help in______________?
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A. Protein folding

B. Protein synthesis

C. Protein degradation

D. Protein denaturation

7614. Insulin caused lipogenesis by all except____________?
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A. Decreases intracellular cAMP level

B. Increases the transport of glucose in to the cells

C. Inhibits Pyruvate dehydrogenase

D. Increasing acetyl-CoA corboxylase activity

7615. Serum creatine kinase-3 (CK-3) is elevated in_______________?
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A. Brain tumours

B. Muscular dystrophy

C. Myocardial infarction

D. Alcoholic cirrhosis

7616. Which of the organelles contain DNA_________________?
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A. Ribsomes

B. Nucleus

C. Nucleolus

D. Golgi apparatus

7617. Which of the following is a phospholipid________________?
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A. Oleic acid

B. Glycogen

C. Sphingomyelin

D. Prostaglandin

7618. One of the following is not an amino acid______________?
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A. Glutamic acid

B. Hydroxy proline

C. Choline

D. Glycine

7621. Collagen is rich in_____________?
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A. Glutamate and proline

B. Proline and glycine

C. Alanine and glycine

D. Glutamate and glycine

7623. Unsaturated fatty acids are converted to______________?
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A. Cholesterol

B. Saturated fatty acid

C. Prostaglandins

D. Cell membrane lipid

7624. The most important role of cholesterol is_____________?
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A. It is a component of cell membrane

B. It stores up energy

C. None of the above

D. It is a precursor of polyunsaturated fatty acids

7625. Following is non-essential amino acid_______________?
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A. Proline

B. Phenylalanine

C. Tryptophan

D. Threonine

7627. Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?
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A. Normal metabolism

B. All of the above

C. Oxygen toxicity

D. Reperfusion after ischemic injury
7628. FIGLU excretion test is to estimate deficiency of_______________?
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A. Vitamin folic acid

B. Vitamin B6

C. Niacin

D. Vitamin K

7629. Normal level of serum phosphorous is_____________?
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A. 1-2 mgm%

B. 7-9 mgm%

C. 40-50 mgm%

D. 2.5 4.5 mgm%
7630. Genes are_____________?
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A. Ribonucleic acid

B. Lipoproteins

C. Chromo proteins

D. Deoxy ribonucleic acid
7631. Niacin & riboflavin help in_____________?
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A. Methyl group transfer

B. Amine group transfer

C. Transamination reaction

D. Redox reactions
7632. False statement about haemoglobin structure________________?
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A. Hb structurally similar to myoglobin

B. Iron is present in ferrous state

C. Ferrous ions are in porphyrin rings

D. Hb has 2 polypeptide chains
7634. Iron is complexed in haemoglobin to_______________?
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A. Valine

B. Leucine

C. Isoleucine

D. Histidine
7635. Cereals are deficient in_____________?
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A. Vitamin C

B. Vitamin B complex

C. Iron

D. Calcium

7642. Which of the following is used in recombinant DNA technology ?
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A. PCR

B. None of these

C. Reverse transcriptase FISH

D. Restriction endonucleases
7644. Which of the following are the sources of Vit C_________________?
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A. Apple

B. Fresh green vegetables

C. Citrus fruits

D. Both B and C
7645. ALbumin is synthesized by_____________?
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A. Muscle

B. Liver

C. Kidney

D. Spleen

7646. Both Vitamin K and C are involved in______________?
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A. The microsomal hydroxylation reactions

B. The synthesis of clotting factors

C. Post translational modifications

D. Antioxidant mechanisms

7648. Which of the following is not a post transcriptional modification of RNA ?
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A. Glycosylation

B. Splicing

C. 3? polyadenylation

D. 5? capping

7649. The main function of mitochondria is______________?
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A. Protein synthesis

B. Electron transfer

C. Oxidation

D. Fat synthesis