Description : In the biosynthesis of heme, condensation between succinyl CoA and glycine requires (A) NAD+ (B) FAD (C) NADH + H+ (D) B6-phosphate
Last Answer : Answer : D
Description : In the biosynthesis of the iron protoporphyrin, the product of the condensation between succinyl-CoA and glycine is (A) α-Amino β-ketoadipic acid (B) δ-Aminolevulinate (C) Hydroxymethylbilane (D) Uroporphyrinogen I
Last Answer : Answer : A
Description : Heme is synthesized from (A) Succinyl-CoA and glycine (B) Active acetate and glycine (C) Active succinate and alanine (D) Active acetate and alanine
Description : The source of all the carbon atoms in cholesterol is (A) Acetyl-CoA (B) Bicarbonate (C) Propionyl-CoA (D) Succinyl-CoA
Description : Conversion of fatty acyl-CoA to an acylCoA derivative having 2 more carbon atoms involves as acetyl donar: (A) Acetyl-CoA (B) Succinyl-CoA (C) Propionyl-CoA (D) Malonyl-CoA
Description : In extra hepatic tissues, one mechanism for utilization of acetoacetate involves (A) Malonyl-CoA (B) Succinyl-CoA (C) Propionyl-CoA (D) Acetyl-CoA
Last Answer : Answer : B
Description : Fatty acids with odd number of carbon atoms yield acetyl-CoA and a molecule of (A) Succinyl-CoA (B) Propionyl-CoA (C) Malonyl-CoA (D) Acetoacetyl-CoA
Description : Formation of succinyl-CoA from α-Ketoglutarate is inhibited by (A) Fluoroacetate (B) Arsenite (C) Fluoride (D) Iodoacetate
Description : The example of generation of a high energy phosphate at the substrate level in the citric acid cycle is the reaction: (A) Isocitrate α-Ketoglutarate (B) Succinate α-fumarate (C) Malate α-oxaloacetate (D) Succinyl CoA α-Succinate
Description : β-Oxidation of odd-carbon fatty acid chain produces (A) Succinyl CoA (B) Propionyl CoA (C) Acetyl CoA (D) Malonyl CoA
Description : The reaction succinyl COA to succinate requires (A) CDP (B) ADP (C) GDP (D) NADP+
Last Answer : B
Description : Succinyl CoA is generated from which substances?
Last Answer : Odd chain fatty acids, propionic acid, valine, isoleucine, threonine.
Description : What are the co-enzymes required for the conversion of propionyl CoA to succinyl CoA?
Last Answer : Biotin, ATP, Vitamin B12.
Description : In Krebs’ cycle, the FAD precipitates as electron acceptor during the conversion of (a) fumaric acid to malic acid (b) succinic acid to fumaric acid (c) succinyl CoA to succinic acid (d) α-ketoglutarate to succinyl CoA.
Last Answer : (b) succinic acid to fumaric acid
Description : Which statement is wrong for Krebs' cycle? (a) There is one point in the cycle where FAD+ is reduced to FADH2. (b) During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised. (c ... citric acid. (d) There are three points in the cycle where NAD+ is reduced to NADH + H+.
Last Answer : (c) The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid.
Description : Acetyl CoA is used for what purposes?
Last Answer : Fatty acid synthesis, oxidation in citric acid cycle for generation of energy, cholesterol synthesis and ketone body formation.
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
Last Answer : Answer : C
Description : Biological value of a protein is (A) The percentage of ingested protein/nitrogen absorbed into circulation (B) The percentage of ingested protein/nitrogen in the body (C) The percentage of ingested protein utilised ... synthesis in the body (D) The gain in body weight (gm) per gm of protein ingested
Description : Lactate formed in muscles can be utilised through (A) Rapoport-Luebeling cycle (B) Glucose-alanine cycle (C) Cori’s cycle (D) Citric acid cycle
Last Answer : C
Description : In the TCA cycle, at which of the following enzyme-catalyzed steps, incorporation of elements of water into an intermediate of the cycle takes place : (A) Citrate synthase (B) Aconitase (C) Maleate dehydrogenase (D) Succinyl Co-A synthase
Last Answer : (C) Maleate dehydrogenase
Description : What are resources which are found in a region but have not been utilised called? -SST 10th
Last Answer : Potential resources.
Description : In respiration, energy of oxidation reduction is utilised for the production of proton gradient required for phosphorylation.
Last Answer : In respiration, energy of oxidation reduction is utilised for the production of proton gradient required for phosphorylation.
Description : ATP acts as the energy currency of the cell because it is broken down whenever (and wherever) energy needs to be utilised.
Last Answer : ATP acts as the energy currency of the cell because it is broken down whenever (and wherever) energy needs to be utilised.
Description : Oxygen is utilised by the organism to (a)_____ breakdown nutrietns molecules the (b)_____ and to derive (c)______ for performing various activities
Last Answer : Oxygen is utilised by the organism to (a)_____ breakdown nutrietns molecules the (b)_____ and to derive (c)______ for performing various activities
Description : Observe the given figure of Calvin cycle and ifnd the name of steps and number of ATP and NADPH utilised in them for one molecule of `CO_(2)`
Last Answer : Observe the given figure of Calvin cycle and ifnd the name of steps and number of ATP and NADPH utilised in them for one molecule of `CO_(2)`
Description : Derive an Ideal gas equation. Mention the terms involved in it. Also write how it is utilised to obtain combined gas law.
Last Answer : Derive an Ideal gas equation. Mention the terms involved in it. Also write how it is utilised to obtain combined gas law.
Description : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for oxidation: I. Ferrous oxide to ferric oxide II.
Last Answer : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for ... and IV only D. II, III and IV only
Description : Geothermal energy is maximum utilised in - (1) Iceland (2) New Zealand (3) Russia (4) Japan
Last Answer : (1) Iceland Explanation: Iceland is a pioneer in the use of geothermal energy for space heating. Five major geothermal power plants exist in Iceland, which produce approximately 26.2% (2010) of the nation ... around 90% of Iceland's homes, and keeps pavements and car parks snow-free in the winter.
Description : The following are the advantages of the conventional methods of irrigation a. Low cost of construction b. Animals used for ploughing are utilised for drawing water c. Water can be lifted from great depths d. All of the above
Last Answer : d. All of the above
Description : If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst (A) Porosity is very important (B) Porosity is of less importance (C) Internal surface area is utilised efficiently (D) None of these
Last Answer : (B) Porosity is of less importance
Description : A flow net may be utilised for the determination of (A) Exit gradient (B) Seepage (C) Hydrostatic pressure (D) All the above
Last Answer : Answer: Option D
Description : 19. In the manufacturing of lead shots, the property of surface tension is utilised. A) Agree B) Disagree
Last Answer : A
Description : Premium received on issue of shares cannot be utilised for ---------. A. for the issue of bonus shares B. for writing of preliminary expenses C. for providing premium payable on redemption D. for distribution of dividend
Last Answer : D. for distribution of dividend
Description : The use of tractor is considered economical when it is utilised for (A) 800hrs/year (B)1000hrs/year (C)1200hrs/year (D)1400hrs/year
Last Answer : (B)1000hrs/year
Description : Geothermal energy is maximum utilised in (1) Iceland (2) New Zealand (3) Russia (4) Japan
Last Answer : Iceland
Last Answer : In any rotating machine that part which houses the conductors and in which e.m.f. induced is to be utilised is called armature.
Description : Methylmalonyl CoA is a metabolite of (A) Valine (B) Leucine (C) Isoleucine (D) All of these
Description : Histamine is formed from histidine by the enzyme histidine decarboxylase in the presence of (A) NAD (B) FMN (C) HS-CoA (D) B6-PO4
Description : Insulin regulates fatty acid synthesis by (A) Dephosphorylating of acetyl CoA carboxylase (B) Activating phosphorylase (C) Inhibiting malonyl CoA formation (D) Controlling carnitine-Acyl CoA transferase activity
Description : Insulin decreases the activity of (A) cAMP dependent protein kinase (B) HMG CoA-reductas (C) Phosphodiesterase (D) Acetyl CoA-carboxylase
Description : Magnesium ions are required in the reactions involving (A) NAD (B) FAD (C) ATP (D) CoA
Description : Group transferring Co-enzyme is (A) CoA (B) NAD+ (C) NADP+ (D) FAD+
Description : Which one is coenzyme? (A) ATP (B) Vitamin B and C (C) CoQ and CoA (D) All of these
Description : Pyruvate dehydrogenase contains all except (A) Biotin (B) NAD (C) FAD (D) CoA
Description : Pantothenic acid acts on (A) NADP (B) NADPH (C) FAD (D) CoA
Description : This catalyzes formation of CoA derivatives from fatty acid, CoA and ATP: (A) Acyl CoA dehydrogenase (B) Enoyl hydrase (C) β-OH acyl CoA dehydrogenase (D) Thio kinase
Description : FAD containing enzyme, catalyzing formation of α, β unsaturated fatty acyl CoA derivative. (A) Acyl CoA dehydrogenase (B) Enoyl hydrase (C) β-OH acyl CoA dehydrogenase (D) Thiolase