Sphingomyelins: (A) Phospholipids (B) Nitrolipids (C) Alcohols (D) None of these

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Answer :

Answer : A

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Description : Sphingomyelins on hydrolysis yields (A) Glycerol, fatty acids, phosphoric acid and choline (B) Glycerol, sphingosine, choline and fatty acids (C) Sphingosine, phosphoric acid, Glycerol and inositol (D) Sphingosine, fatty acids, phosphoric acid and choline

Last Answer : Answer : D

Description : Sphingomyelins are composed of fatty acids, phosphoric acid and (A) Sphingosine and choline (B) Glycerol and sphingosine (C) Glycerol and Serine (D) Glycerol and Choline

Last Answer : Answer : A

Description : The types of sphingomyelins are (A) 1 (B) 3 (C) 4 (D) 5

Last Answer : Answer : B

Description : Sphingomyelins contain a complex amino alcohol named as (A) Serine (B) Lysolecithin (C) Sphingosine (D) Glycol

Last Answer : Answer : C

Description : The concentration of sphingomyelins are increased in (A) Gaucher’s disease (B) Fabry’s disease (C) Fabrile disease (D) Niemann-Pick disease

Last Answer : Answer : B

Description : Which of the following gives a positive Ninhydrin test? (A) Reducing sugar (B) Triglycerides (C) α-amino acids (D) Phospholipids

Last Answer : Answer : C

Description : Fatty liver is caused due to accumulation of (A) Fatty acids (B) Cholesterol (C) Phospholipids (D) Triacylglycerol

Last Answer : Answer : D

Description : The common precursor in the biosynthesis of triacylglycerol and phospholipids is (A) 1, 2-Diacylglycerol phosphate (B) 1-Acylglycerol 3-phosphate (C) Glycerol 3-phosphate (D) Dihydroxyacetone phosphate

Last Answer : Answer : A

Description : Phospholipids occur in (A) Myelin sheath (B) Stabilizes chylomicrans (C) Erythrocyte membrane (D) All of these

Last Answer : Answer : D

Description : Which of the following is not a phospholipids? (A) Lecithin (B) Plasmalogen (C) Lysolecithin (D) Gangliosides

Last Answer : Answer : D

Description : Phospholipids are important cell membrane components since (A) They have glycerol (B) Form bilayers in water (C) Have polar and non-polar portions (D) Combine covalently with proteins

Last Answer : Answer : C

Description : Across a membrane phospholipids act as carrier of (A) Organic compounds (B) Inorganic ions (C) Nucleic acids (D) Food materials

Last Answer : Answer : B

Description : Cholesterol, bile salts, vitamin D and sex hormones are (A) Mucolipids (B) Glycolipids (C) Phospholipids (D) Isoprenoid lipids

Last Answer : Answer : D

Description : Which one of the following compounds is a key intermediate in the synthesis of both triacyl glycerols and phospholipids? (A) CDP Choline (B) Phosphatidase (C) Triacyl glyceride (D) Phosphatidyl serine

Last Answer : Answer : B

Description : Very low density lipoproteins are relatively rich in (A) Cholesterol (B) Triacyl glycerol (C) Free fatty acids (D) Phospholipids

Last Answer : Answer : B

Description : CTP is required for the synthesis of (A) Fatty acids (B) Proteins (C) Phospholipids (D) Cholesterol

Last Answer : Answer : C

Description : Phospholipids are important cell membrane components because (A) They have glycerol (B) They can form bilayers in water (C) They have both polar and non polar potions (D) They combine covalently with proteins

Last Answer : Answer : C

Description : Depot fats of mammalian cells comprise mostly of (A) Cholesterol (B) Cholesterol esters (C) Triacyl glycerol (D) Phospholipids

Last Answer : Answer : C

Description : Phospholipids help the oxidation of (A) Glycerol (B) Fatty acids (C) Glycerophosphates(D) None of these

Last Answer : Answer : B

Description : The rate of fatty acid oxidation is increased by (A) Phospholipids (B) Glycolipids (C) Aminolipids (D) All of these

Last Answer : Answer : A

Description : The combination of an amino alcohol, fatty acid and sialic acid form (A) Phospholipids (B) Sulpholipids (C) Glycolipids (D) Aminolipids

Last Answer : Answer : C

Description : Lovastatin and mevastatin lower (A) Serum triglycerides (B) Serum cholesterol (C) Serum phospholipids (D) All of these

Last Answer : Answer : B

Description : All of the following statements about multiple sclerosis are true except (A) There is loss of phospholipids from white matter (B) There is loss of sphingolipids from white matter (C) There is loss of esterified cholesterol from white matter (D) White matter resembles gray matter in composition

Last Answer : Answer : C

Description : Pancreatic lipase requires for its activity: (A) Co-lipase (B) Bile salts (C) Phospholipids (D) All of these

Last Answer : Answer : D

Description : In adipose tissue, glycerol-3-phosphate required for the synthesis of triglycerides comes mainly from (A) Hydrolysis of pre-existing triglycerides (B) Hydrolysis of phospholipids (C) Dihydroxyacetone phosphate formed in glycolysis (D) Free glycerol

Last Answer : Answer : C

Description : Lipids are stored in the body mainly in the form of (A) Phospholipids (B) Glycolipids (C) Triglycerides (D) Fatty acids

Last Answer : Answer : C

Description : The major lipid in chylomicrons is (A) Triglycerides (B) Phospholipids (C) Cholesterol (D) Free fatty acids

Last Answer : Answer : A

Description : The highest phospholipids content is found in (A) Chylomicrons (B) VLDL (C) LDL (D) HDL

Last Answer : Answer : D

Description : In neutral fats, the unsaponificable matter includes (A) Hydrocarbons (B) Triacylglycerol (C) Phospholipids (D) Cholsesterol

Last Answer : Answer : A

Description : The importance of phospholipids as constituent of cell membrane is because they possess (A) Fatty acids (B) Both polar and nonpolar groups (C) Glycerol (D) Phosphoric acid

Last Answer : Answer : B

Description : Unsaturated fatty acids is known as (A) Non-essential fatty acids (B) Essential fatty acids (C) Cerebrosides (D) Phospholipids

Last Answer : Answer : B

Description : Amino acids provide the nitrogen for the synthesis of (A) The bases of the phospholipids (B) Uric acid (C) Glycolipids (D) Chondroitin sulphates

Last Answer : Answer : A

Description : Low density plasma proteins are rich in (A) Chylomicrons (B) Cholesterol (C) Triglycerides (D) Phospholipids

Last Answer : Answer : B

Description : Normal range of plasma total phospholipids is (A) 0.2–0.6 mmol/L (B) 0.9–2.0 mmol/L (C) 1.8–5.8 mmol/L (D) 2.8–5.3 mmol/L

Last Answer : Answer : C

Description : All the following processes occur rapidly in the membrane lipid bilayer except (A) Flexing of fatty acyl chains (B) Lateral diffusion of phospholipids (C) Transbilayer diffusion of phopholipids (D) Rotation of phospholipids around their long axes

Last Answer : C

Description : Which of the following phospholipids is localized to a greater extent in the outer leaflet of the membrane lipid bilayer? (A) Choline phosphoglycerides (B) Ethanolamine phosphoglycerides (C) Inositol phosphoglycerides (D) Serine phosphoglycerides

Last Answer : A

Description : How phospholipids are classified?

Last Answer : 1. Nitrogen containing glycero phosphatides, 2. Non-nitrogen containing glycero phosphatides, 3. Plasmalogens, 4. Phospho sphingosides 5. Glycosphingolipids 6. Sulpholipids.

Description : Prostaglandins are (A) C2 unsaturated acids (B) C27 saturated alcohols (C) C20 saturated acids (D) C27 saturated alcohols

Last Answer : Answer : A

Description : Waxes contain higher alcohols named as (A) Methyl (B) Ethyl (C) Phytyl (D) Cetyl

Last Answer : Answer : D

Description : Esters of fatty acids with higher alcohols other than glycerol are said to be (A) Waxes (B) Fats (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Description : Secretion of gastrin is evoked by (A) Entry of food into stomach (B) Vagal stimulation (C) Lower aliphatic alcohols (D) All of these

Last Answer : Answer : D

Description : Are phospholipids lipids? -Biology

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Description : How are phospholipids different from triglycerides? -Biology

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Description : What is the function of phospholipids ?

Last Answer : The function of phospholipids regulates the permeability and transport process of phospholipid cells. These act as ion carriers in the cell. Acts as a prosthetic group of several enzymes ; And plays a special role in blood clotting.

Description : what are phospholipids

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Description : How the phospholipids are arranged in the cell membrane?

Last Answer : Two layers of phospholipids are arranged as a bilayer that formsthe basis of cell membrane structure. One layer has its hydrophilicheads neighbouring the surroundings whereas the other has ... the cytoplasm. The hydropholic fattyacid tails of both layers of phospholipid point towards thecentre.

Description : How do phospholipids with unsaturated hydrocarbon chains affect membrane fluidity?

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Description : Platelet activating factor is: a. Generated by the action of phospholipase A2 on membrane phospholipids b. Antiinflammatory in most of its actions c. Synthesized by endothelial and other cells d. Exerts a variety of biologic effects which are platelet-independent

Last Answer : Answer: a, c, d Like the eicosanoids, platelet-activating factor (PAF) is not stored in cells but is rapidly produced during inflammation. PAF exerts a variety of biologic effects ... and LTB4. There is considerable overlap and redundancy in the effects produced by PAF and eicosanoids

Description : Phosphorous is an essential component of a. Nucleotides b. Nucleic acids c. Phospholipids and Heichoic acids d. All the above

Last Answer : Ans: D

Description : What are the respective functions of phospholipids ?

Last Answer : proteins and carbohydrates of the cell membrane? Membrane phospholipids have structural function they form the bilipid membrane that constitutes the cell membrane itself. Membrane proteins have several ... blood group system), immune modulation functions, pathogen sensitization functions, etc.