Description : ATP is required in following reactions of urea cycle: (A) Synthesis of carbamoyl phosphate and citrulline (B) Synthesis of citrulline and argininosuccinate (C) Synthesis of argininosuccinate and arginine (D) Synthesis of carbamoyl phosphate and argininosuccinate
Last Answer : Answer : C
Description : In the synthesis of 1 molecule of urea in the Kreb’s Hanseleit cycle, the number of ATPs required is (A) 1 (B) 2 (C) 3 (D) 4
Description : Carbamoyl phosphate required for urea synthesis is formed in (A) Cytosol (B) Mitochondria (C) Both (A) and (B) (D) None of these
Last Answer : Answer : B
Description : The cofactors required for synthesis of adenylosuccinate are (A) ATP, Mg++ (B) ADP (C) GTP, Mg++ (D) GDP
Description : Coenzymes derived from the vitamin shown below are required by enzymes involved in the synthesis of which of the following? (A) ATP (B) UTP (C) CTP (D) NADH
Last Answer : Answer : A
Description : A soluble system for synthesis of fatty acids have been isolated from avian liver, required for the formation of long chain fatty acids by this system is (A) ATP (B) Acetyl CoA (C) NADPH (D) All of these
Last Answer : Answer : D
Description : A coenzyme required for the synthesis of glycine from serine is (A) ATP (B) Pyridoxal phosphate (C) Tetrahydrofolate (D) NAD
Description : All of the following are required for synthesis of glutamine except (A) Glutamate (B) Ammonia (C) Pyridoxal phosphate (D) ATP
Description : One mol. of Urea is synthesized at the expense of the _______ mols. of ATP. (A) 2 (B) 3 (C) 4 (D) 5
Description : Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is (A) Alanine (B) Isoleucine (C) Aspartate (D) Glycine
Description : In photosynthesis , for synthesis of one mole of glucose number of ATP and `NADPH_(2)` required is
Last Answer : In photosynthesis , for synthesis of one mole of glucose number of ATP and `NADPH_(2)` required is A. 10 and 20 B. 18 and 12 C. 8 and 6 D. 12 and 15
Description : In the synthesis of 1 molecule of urea in the Kreb’s Henseleit cycle the number of AMPs formed is (A) 1 (B) 2 (C) 3 (D) 4
Description : An enzyme common to de novo synthesis of pyrimidine nucleotides and urea is (A) Urease (B) Carbamoyl phosphate synthetase (C) Aspartate transcarbamoylase (D) Argininosuccinase
Description : Hyperargininemia, a defect in urea synthesis develops due to deficiency of the enzyme: (A) Ornithine transcarbamoylase (B) Argininosuccinase (C) Arginase (D) Argininosuccinate synthetase ENZYMES 157
Description : Urea synthesis takes place in (A) Blood (B) Liver (C) Kidney (D) Heart
Description : Synthesis of the following enzymes is increased during starvation. (A) Digestive enzymes (B) Gluconeogenic enzymes (C) Urea cycle enzymes (D) Glucokinase
Description : Cytosolic and mitochondrial carbamoyl phosphate synthetase have the following similarity: (A) Both use ammonia as a substance (B) Both provide carbamoyl phosphate for urea synthesis (C) Both require N-acetylglutamate as an activator (D) Both are allosteric enzymes
Description : The major site of urea synthesis is (A) Brain (B) Kidneys (C) Liver (D) Muscles
Description : In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine
Description : The enzymes of urea synthesis are found in (A) Mitochondria only (B) Cytosol only (C) Both mitochondria and cytosol (D) Nucleus
Description : The main site of urea synthesis in mammals is (A) Liver (B) Skin (C) Intestine (D) Kidney
Description : Amanitin the mushroom poison inhibits (A) Glycoprotein synthesis (B) ATP synthesis (C) DNA synthesis (D) mRNA synthesis
Description : Synthesis of GMP and IMP requires the following: (A) NH3 NAD+, ATP (B) Glutamine, NAD+, ATP (C) NH3, GTP, NADP+ (D) Glutamine, GTP, NADP+
Description : The mRNA ready for protein synthesis has the ________ cap. (A) ATP (B) CTP (C) GTP (D) UTP
Description : Initiation of protein synthesis requires (A) ATP (B) AMP (C) GDP (D) GTP
Description : Formation of acetyl CoA from pyruvate for de novo synthesis of fatty acids requires (A) Pyruvate dehydrogenase complex (B) Citrate synthetase (C) ATP citrate lyase (D) All of these
Description : Synthesis of sphingosine requires the cofactor (A) NAD (B) NADP (C) NADPH+ (D) ATP
Description : De novo synthesis of fatty acids requires all of the following except (A) Biotin (B) NADH (C) Panthothenic acid (D) ATP
Description : Synthesis of glutamine is accompanied by the hydrolysis of (A) ATP (B) ADP (C) TPP (D) Creatin phosphate
Description : All of the following statements about the enzymic complex that carries out the synthesis of ATP during oxidative phosphorylation are correct except (A) It is located on the matrix side of the inner ... inhibited by oligomycin (C) It can exhibit ATPase activity (D) It can bind molecular O2
Last Answer : D
Description : An uncoupler of oxidative phosphorylation such as dinitrophenol (A) Inhibits electron transport and ATP synthesis (B) Allow electron transport to proceed without ATP synthesis (C) Inhibits electron transport without impairment of ATP synthesis (D) Specially inhibits cytochrome b
Last Answer : B
Description : The nucleophilic attack on the esterified carboxyl group of the peptidyl-tRNA occupying the P site and the α-amino group of the new amino acyl tRNA, the number of ATP required by the amino acid on the charged tRNA is (A) Zero (B) One (C) Two (D) Four
Description : The number of ATP molecules required to convert 2 molecules of lactate into glucose in mammalian liver is (A) 2 (B) 4 (C) 5 (D) 6
Description : The following 4 amino acids are required for completion of urea cycle except (A) Aspartic acid (B) Arginine (C) Ornithine (D) Glycine
Description : ATP is required for (A) Fusion of 40S and 60S of ribosome (B) Accommodation tRNA amino acid in a site of ribosome (C) Movement of ribosome along mRNA (D) formation of tRNA amino acid complex
Description : For unwinding of double helical DNA, (A) Energy is provided by ATP (B) Energy is provided by GTP (C) Energy can be provided by either ATP or GTP (D) No energy is required
Description : Magnesium ions are required in the reactions involving (A) NAD (B) FAD (C) ATP (D) CoA
Description : The following is required for the formation of coenyzme A: (A) ATP (B) GTP (C) CTP (D) None of these
Description : For biosynthesis of proteins (A) Amino acids only are required (B) Amino acids and nucleic acids only are required (C) Amino acid, nucleic acids and ATP only are required (D) Amino acids, nucleic acids, ATP, GTP, enzymes and activators are required
Description : Sufficient energy required to produce 3 ATP from 3 ADP and 3 pi is (A) –21,900 cal (B) 29,900 cal (C) 31,900 cal (D) 39,900 cal
Last Answer : A
Description : How many ATP molecules will be required for conversion of 2-molecules of Lactic acid to Glucose? (A) 2 (B) 4 (C) 8 (D) 6
Description : How much ATP is required for this reaction?
Last Answer : One molecule of ATP is hydrolysed to AMP and PPI. Thus two high energy bonds are utilised in this reaction.
Description : How many ATP molecules are required to convert two molecules of pyruvate into glucose?
Last Answer : Six.
Description : Graph depicts the concentration of enzymes involved in urea synthesis in a developing tadpole. It indicates a transition from `:`
Last Answer : Graph depicts the concentration of enzymes involved in urea synthesis in a developing tadpole ... to ureotelism D. Ureotelism to reocotelism
Description : Urea synthesis takes place in
Last Answer : Urea synthesis takes place in A. Urinary bladder B. Alimentary canal C. Liver D. Kidney
Description : Urea synthesis takes place primarily in liver because
Last Answer : Urea synthesis takes place primarily in liver because A. Enzyme arginase is present in liver only. B. ... liver only. D. Kidney is smaller than liver.
Description : Explain how during light reaction of photosynthesis, ATP synthesis is a chemiosmotic phenomenon. -Biology
Last Answer : answer:
Description : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
Last Answer : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on A. Proton ... . Accumalation of Na ions D. Membrane potential
Description : ATP synthesis during photosynthesis is termed as
Last Answer : ATP synthesis during photosynthesis is termed as A. Phosphorylation B. Oxidative phosphorylation C. Photophosphorylation D. Photorespiration
Description : `ATP` synthesis during light reaction is
Last Answer : `ATP` synthesis during light reaction is A. Oxidative phosphorylation B. Photolysis C. Photophosphorylation D. Phosphorylation