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 : Lipids are stored in the body mainly in the form of (A) Phospholipids (B) Glycolipids (C) Triglycerides (D) Fatty acids
Description : UDP Glucuronic acid is required for the biosynthesis of (A) Chondroitin sulphates (B) Glycogen (C) Lactose (D) Starch
Last Answer : A
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 : Which of the following statement(s) is/are true concerning translation of the mRNA message to protein synthesis? a. An adaptor molecule, tRNA, recognizes specific nucleic acid bases and unites them ... and the free amino acid occurs in the free cytoplasm d. Complete protein synthesis takes hours
Last Answer : Answer: a, b The synthesis of protein involves conversion from a four-letter nucleotide language to one of 20 chemically distinct amino acids. This process is referred to as ... translation and be moving down the mRNA molecules simultaneously, thus increasing the rate of protein synthesis
Description : Cholesterol, bile salts, vitamin D and sex hormones are (A) Mucolipids (B) Glycolipids (C) Phospholipids (D) Isoprenoid lipids
Last Answer : Answer : D
Description : The unwanted amino acids abstracted from the tissues are either used up by the tissue or in the liver converted into (A) Ammonia (B) Urea (C) Ammonium salts (D) Uric acid
Last Answer : Answer : B
Description : CTP is required for the synthesis of (A) Fatty acids (B) Proteins (C) Phospholipids (D) Cholesterol
Description : The end product of amino acid nitrogen metabolism in uricotelic organisms (reptiles and birds) is (A) Bilirubin (B) Urea (C) Uric acid (D) Biliverdin
Description : Degeneracy of the genetic code denotes the existence of (A) Base triplets that do not code for any amino acids (B) Codons consisting of only two bases (C) Codons that include one or more of the unusual bases (D) Multiple codons for a single amino acid
Description : Which of the following gives a positive Ninhydrin test? (A) Reducing sugar (B) Triglycerides (C) α-amino acids (D) Phospholipids
Description : Which one of the following is not a constituent of cell membrane? (a) Glycolipids (b) Proline (c) Phospholipids (d) Cholesterol
Last Answer : (b) Proline
Description : Sulphur-containing amino acid is (A) Glutathione (B) Chondroitin sulphate (C) Homocysteine (D) Tryptophan
Description : Nucleotides required for the synthesis of nucleic acids can be obtained from (A) Dietary nucleic acids and nucleotides (B) De novo synthesis (C) Salvage of pre-existing bases and nucleosides (D) De novo synthesis and salvage
Description : Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid
Last Answer : A mixture of amino acids
Description : Glycolipids contain an amino alcohol: (A) Sphingosine (B) Iso-sphingosine (C) Both (A) and (B) (D) None of these
Description : Select the correct matching in the following pairs. (a) Rough ER – Synthesis of glycogen (b) Rough ER – Oxidation of fatty acids (c) Smooth ER – Oxidation of phospholipids (d) Smooth ER – Synthesis of lipids
Last Answer : (d) Smooth ER – Synthesis of lipids
Description : For the synthesis of amino acids cysteine, cystine and methionine the element required is a. Sulphur b. Oxygen c. Nitrogen d. None of these
Last Answer : Ans: D
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
Description : In human and other ureotelic organisms, the end product of amino acid nitrogen metabolism: (A) Bile acids (B) Ketone bodies (C) Urea (D) Barium sulphate
Description : A drug which prevents uric acid synthesis by inhibiting the enzyme Xanthine oxidase is (A) Aspirin (B) Allopurinal (C) Colchicine (D) Phenyl benzoate
Description : In inherited deficiency of hypoxanthine guanine phosphoribosyl transferase (A) De novo synthesis of purine nucleotides is decreased (B) Salvage of purines is decreased (C) Salvage of purines is increased (D) Synthesis of uric acid is decreased
Description : A drug which prevents uric acid synthesis by inhibiting the enzyme xanthine oxidase is (A) Aspirin (B) Allopurinol (C) Colchicine (D) Probenecid
Last Answer : B
Description : Schardinger’s enzyme is (A) Lactate dehydrogenase (B) Xanthine dehydrogenase (C) Uric oxidase (D) L amino acid dehydrogenase
Description : If there are 999 bases in an RNA that code for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered? (a) 11 (b) 33 (c) 333 (d) 1
Last Answer : (d) 1
Last Answer : b) 33
Description : If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ? (1) 11 (2) 33 (3) 333 (4) 1
Last Answer : (2) 33
Description : In the process of activation of amino acids for protein synthesis, the number of high energy phosphate bond equivalent utilised is (A) 0 (B) 1 (C) 2 (D) 4
Description : The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA
Description : The sequence of amino acids in human growth hormone and the synthesis were done by (A) Sanger (B) Krebs (C) Chah Holi (D) Molisch
Description : The amino acids abstracted from the liver are not utilized for repair or special synthesis but are broken down to (A) Keto acids (B) Sulphur dioxide (C) Water (D) Ammonia
Description : The amino acids involved in the synthesis of creatin are (A) Arginine, glycine, active methionine (B) Arginine, alanine, glycine (C) Glycine, lysine, methionine (D) Arginine, lysine, methionine
Description : Synthesis of Glucose from amino acids is termed as (A) Glycolysis (B) Gluconeogenesis (C) Glycogenesis (D) Lipogenesis
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
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
Description : Which one of the following organelle in the figure correctly matches with its function? (a) Golgi apparatus, formation of glycolipids (b) Rough endoplasmic reticulum, protein synthesis (c) Rough endoplasmic reticulum, formation of glycoproteins (d) Golgi apparatus, protein synthesis
Last Answer : (b) Rough endoplasmic reticulum, protein synthesis
Description : Match the column I with column II. Column-I Column-II A. Golgi apparatus (i) Synthesis of protein B. Lysosomes (ii) Trap waste and excretory products C. Vacuoles (iii) Formation of glycoproteins and glycolipids D. Ribosomes (iv) Digesting ... ), C-(iv), D-(i) (d) A-(i), B-(ii), C-(iv), D-(iii)
Last Answer : (a) A-(iii), B-(iv), C-(ii), D-(i)
Description : The major end product of protein nitrogen metabolism in man is (A) Glycine (B) Uric acid (C) Urea (D) NH3
Description : Fatty liver is caused due to accumulation of (A) Fatty acids (B) Cholesterol (C) Phospholipids (D) Triacylglycerol
Description : Across a membrane phospholipids act as carrier of (A) Organic compounds (B) Inorganic ions (C) Nucleic acids (D) Food materials
Description : Very low density lipoproteins are relatively rich in (A) Cholesterol (B) Triacyl glycerol (C) Free fatty acids (D) Phospholipids
Description : Phospholipids help the oxidation of (A) Glycerol (B) Fatty acids (C) Glycerophosphates(D) None of these
Description : The major lipid in chylomicrons is (A) Triglycerides (B) Phospholipids (C) Cholesterol (D) Free fatty acids
Description : Unsaturated fatty acids is known as (A) Non-essential fatty acids (B) Essential fatty acids (C) Cerebrosides (D) Phospholipids
Description : The last step in synthesis of peptidoglycan is A- attachment of a peptide to muramic acid B- attaching two amino acids to form a cross-link C- attachment of a portion of peptidoglycan to a membrane lipid D- binding of penicillin to a membrane protein
Last Answer : attaching two amino acids to form a cross-link
Description : Hyaluronidase hydrolyses (A) Hyaluronic acid (B) Chondroitin sulphate (C) Heparin (D) Hyaluronic acid and chondroitin sulphate
Description : In place of glucuronic acid chondroitin sulphate B contains (A) Gluconic acid (B) Gulonic acid (C) Induronic acid (D) Sulphonic acid
Last Answer : C
Description : Synovial fluid contains (A) Heparin (B) Hyaluronic acid (C) Chondroitin sulphate (D) Keratin sulphate
Description : N–Acetylglucosamnine is present in (A) Hyaluronic acid (B) Chondroitin sulphate (C) Heparin (D) All of these
Description : α–D–Glucuronic acid is present in (A) Hyaluronic acid (B) Chondroitin sulphate (C) Heparin (D) All of these