Description : Sphingosine is the backbone of all the following except (A) Cerebroside (B) Ceramide (C) Sphingomyelin (D) Lecithine
Last Answer : Answer : D
Description : Cerebonic acid is present in (A) Triglycerides (B) Cerebrosides (C) Esterified cholestrol (D) Sphingomyelin
Last Answer : Answer : B
Description : When choline of lecithine is replaced by ethanolamine the product is (A) Sphingomyelin (B) Cephalin (C) Plasmalogens (D) Lysolecithine
Description : Acylsphingosine is also known as (A) Sphingomyelin (B) Ceramide (C) Cerebroside (D) Sulphatide
Description : Cerebrosides contain all the following except (A) Galactose (B) Sulphate (C) Sphingosine (D) Fatty acid
Description : An alcoholic amine residue is present in which of the following lipids? (A) Phosphatidic acid (B) Cholesterol (C) Sphingomyelin (D) Ganglioside
Last Answer : Answer : C
Description : The fatty acid present in cerebrosides is (A) Lignoceric acid (B) Valeric acid (C) Caprylic acid (D) Behenic acid
Last Answer : Answer : A
Description : Cerebronic acid is present in (A) Glycerophospholipids (B) Sphingophospholipids (C) Galactosyl ceramide (D) Gangliosides
Description : When choline of lecithin is replaced by ethanolamine, the product is (A) Spingomyelin (B) Cephalin (C) Plasmalogens (D) Lysolecithin
Description : Instead of ester link plasmalogens possess an other link in position: (A) α (B) β (C) γ (D) None of these FATS AND FATTY ACID METABOLISM 93
Description : Choline is not required for the formation of (A) Lecithins (B) Acetyl choline (C) Sphingomyelin (D) Cholic acid
Description : A lipid containing alcoholic amine residue is (A) Phosphatidic acid (B) Ganglioside (C) Glucocerebroside (D) Sphingomyelin
Description : Depot fats of mammalian cells comprise mostly of (A) Cholesterol (B) Phospholipid (C) Cerebrosides (D) Triglycerol
Description : Cerebrosides are composed of (A) Sphingosine, fatty acids, glycerol and phosphoric acid (B) Sphingosine, fatty acids, galactose (C) Glycerol, fatty acids, galactose (D) Glycerol, fatty acids, galactose, sphingol
Description : Carbohydrate moiety in cerebrosides is (A) Glucose (B) Sucrose (C) Galactose (D) Maltose
Description : Cerebrosides may also be classified as (A) Sphingolipids (B) Sulpholipids (C) Aminolipids (D) Glycolipids
Description : Unsaturated fatty acids is known as (A) Non-essential fatty acids (B) Essential fatty acids (C) Cerebrosides (D) Phospholipids
Description : Cerebrosides consist of mostly of this sugar: (A) Glucose (B) Fructose (C) Galactose (D) Arabinose
Last Answer : C
Description : An important finding in Refsum’s disease is (A) Accumulation of ceramide trihexoside in the kidney (B) Accumulation of phytanic acid in the blood and tissues (C) Accumulation of gangliosides in brain and spleen (D) Skin eruptions
Description : Refsum’s disease is due to deficiency of the enzyme: (A) Pytantate-α-oxidase (B) Glucocerebrosidase (C) Galactocerebrosidase (D) Ceramide trihexosidase
Description : Ceramide is formed by the combination of sphingosine and (A) Acetyl-CoA (B) Acyl-CoA (C) Malonyl-CoA (D) Propionyl-CoA
Description : Fabry’s disease is due to the deficiency of the enzyme: (A) Ceramide trihexosidase (B) Galactocerebrosidase (C) Phytanic acid oxidase (D) Sphingomyelinase
Description : Krabbe’s disease is due to the deficiency of the enzyme: (A) Ceramide lactosidase (B) Ceramidase (C) β-Galactosidase (D) GM1 β-Galactosidase
Description : Neimann-Pick disease is due to the deficiency of the enzyme: (A) Hexosaminidase A and B (B) Ceramidase (C) Ceramide lactosidase (D) Sphingomyelinase CHAPTER 6 CHAPTER 6 ENZYMES
Description : Glycosphingolipids are a combination of (A) Ceramide with one or more sugar residues (B) Glycerol with galactose (C) Sphingosine with galactose (D) Sphingosine with phosphoric acid
Description : Which of the following features are present in blood chemistry in uncompensated metabolic alkalosis except? (A) Increased pH (B) Increased bicarbonate (C) Normal chloride (D) Normal pCO2
Description : In RNA, apart from ribose and phosphate, all following are present except (A) Adenine (B) Guanine (C) Thymine (D) Cytosine
Description : All the following statements about protooncogenes are true except (A) They are present in human beings (B) They are present in healthy cells (C) Proteins encoded by them are essential (D) They are expressed only when a healthy cell has been transformed into a cancer cell
Description : All the following statements about fibronectin are true except (A) It is glycoprotein (B) It is a triple helix (C) It is present in extra cellular matrix (D) It binds with integrin receptors of cell
Description : All of the following statements about restriction endonucleases are true except: (A) They are present in bacteria (B) They act on double stranded DNA (C) They recognize palindromic sequences (D) They always produce sticky ends
Description : All of the following statements about tRNA are true except (A) It is synthesized as a large precursor (B) It is processed in the nucelolus (C) It has no codons or anticodons (D) Genes for rRNA are present in single copies
Description : All of the following statements about RNA-dependent DNA polymerase are true except: (A) It synthesizes DNA using RNA as a template (B) It is also known as reverse transcriptase (C) It synthesizes DNA in 5’→3’ direction (D) It is present in all the viruses
Description : All of the following statements about uric acid are true except (A) It can be formed from allantoin (B) Formation of uric acid stones in kidneys can be decreased by alkalinisation of urine (C) Uric acid begins to dissociate at pH above 5.8 (D) It is present in plasma mainly as monosodium urate
Description : Iron is present in all the following except (A) Peroxidase (B) Xanthine oxidase (C) Aconitase (D) Fumarase
Description : Creatine kinase is present in all of the following except (A) Liver (B) Myocardium (C) Muscles (D) Brain
Description : All the following statements correctly describe ketone bodies except (A) They may result from starvation (B) They are present at high levels in uncontrolled diabetes (C) They include—OH β-butyrate and acetone (D) They are utilized by the liver during long term starvation
Description : All the following saturated fatty acids are present in buffer except (A) Butyric acid (B) Capryllic acid (C) Caproic acid (D) Capric acid
Description : All the following statements about obstructive jaundice are true except (A) Conjugated bilirubin in serum is normal (B) Total bilirubin in serum is raised (C) Bile salts are present in urine (D) Serum alkaline phosphatase is raised
Description : Cholesterol is present in all of the following except (A) Egg (B) Fish (C) Milk (D) Pulses
Description : Cholesterol is present in all the following except (A) Milk (B) Fish (C) Egg white (D) Egg yolk
Description : All the following statement about hydroxyproline are true except (A) There is no codon for hydroxyproline (B) It is present in large amounts in collagen (C) Free proline cannot be hydroxylated to hydroxyproline (D) Hydroxylation of proline residues is catalysed by a dioxygenase
Description : Apolipoprotiens C-I, C-II and C-III are present in all of the following except (A) Chylomicrons (B) VLDL (C) LDL (D) HDL
Description : Glycogen is present in all body tissues except (A) Liver (B) Brain (C) Kidney (D) Stomach
Last Answer : B