Description : CTP synthetase forms CTP from (A) CDP and inorganic phosphate (B) CDP and ATP (C) UTP and glutamine (D) UTP and glutamate
Last Answer : Answer : C
Description : In biotin-containing enzymes, the biotin is bound to the enzyme by (A) An amide linkage to carboxyl group of glutamine (B) A covalent bond with CO2 (C) An amide linkage to an amino group of lysine (D) An amide linkage to α-carboxyl group of protein
Description : In brain, the major metabolism for removal of ammonia is the formation of (A) Glutamate (B) Aspartate (C) Asparagine (D) Glutamine
Last Answer : Answer : D
Description : Which one of the following statements concerning glutamine is correct? (A) Contains three tetratable groups (B) Is classified as an acidic amino acid (C) Contains an amide group (D) Migrates to the cathode during electrophoresis at pH 7.0
Description : The mRNA ready for protein synthesis has the ________ cap. (A) ATP (B) CTP (C) GTP (D) UTP
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 : All of the following statements about aspartate are true except (A) It is non-essential amino acid (B) It is a dicarboxylic amino acid (C) It can be synthesized from pyruvate and glutamate (D) It can be converted into asparagine
Description : The nitrogen atoms for de novo synthesis of purine nucleotides are provided by (A) Aspartate and glutamate (B) Aspartate and glycine (C) Aspartate, glutamine and glycine (D) Aspartate, glutamate and glycine
Description : All of the following are required for synthesis of glutamine except (A) Glutamate (B) Ammonia (C) Pyridoxal phosphate (D) ATP
Description : L-glutamic acid is subjected to oxidative deaminition by (A) L-amino acid dehydrogenase (B) L-glutamate dehydrogenase (C) Glutaminase (D) Glutamine synthetase
Last Answer : Answer : B
Description : The amino acid that undergoes oxidative deamination at significant rate is (A) Alanine (B) Aspartate (C) Glutamate (D) Glutamine
Description : Nitrogen at position 3 of pyrimidine nucleus comes from (A) Glutamine (B) Glutamate (C) Glycine (D) Aspartate
Description : Nitrogen at position 1 of pyrimidine nucleus comes from (A) Glutamine (B) Glutamate (C) Glycine (D) Aspartate
Description : In the biosynthesis of c-DNA, the joining enzyme ligase requires (A) GTP (B) ATP (C) CTP (D) UTP
Description : Cytosolic carbamoyl phosphate synthetase is inhibited by (A) UTP (B) CTP (C) PRPP (D) TMP
Description : UTP is converted to CTP by (A) Methylation (B) Isomerisation (C) Amination (D) Reduction
Description : G-proteins have a nucleotide binding site for (A) ADP/ATP (B) GDP/GTP (C) CDP/CTP (D) UDP/UTP
Description : In some reactions, energy is captured in the form of (A) GTP (B) UTP (C) CTP (D) None of these
Description : Glycogenesis requires (A) GTP (B) CTP (C) UTP (D) None of these
Description : In the reaction below, Nu TP stands for NuTP + glucose → Glucose 6–Phosphate + NuDP. (A) ATP (B) CTP (C) GTP (D) UTP
Description : The 2 energy rich compounds needed for protein biosynthesis are (A) ATP and GTP (B) ATP and UTP (C) ATP and CTP (D) ATP and TTP
Description : An essential for converting Glucose to Glycogen in Liver is (A) Lactic acid (B) GTP (C) CTP (D) UTP CARBOHYDRATES AND CARBOHYDRATE METABOLISM 19
Last Answer : D
Description : In N-linked glycoproteins, oligosaccharide is attached to protein through its (A) Asparagine residue (B) Glutamine residue (C) Arginine residue (D) Lysine residue
Description : Ammonia is transported from muscles to liver mainly in the form of (A) Free ammonia (B) Glutamine (C) Asparagine (C) Alanine
Description : All of the following are required for synthesis of alanine except (A) Pyruvate (B) α-ketoglutarate (C) Glutamate (D) Pyridoxal phosphate
Description : The acid amide of Aspartic acid is (A) Glutamine (B) Arginine (C) Aspargine (D) Ornithine
Description : In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine
Description : Two nitrogen of the pyrimidines ring are obtained from (A) Glutamine and Carbamoyl-p (B) Asparate and Carbamoyl-p (C) Glutamate and NH3 (D) Glutamine and NH3
Description : The four nitrogen atoms of purines are derived from (A) Urea and NH3 (B) NH3, Glycine and Glutamate (C) NH3, Asparate and Glutamate (D) Aspartate, Glutamine and Glycine
Description : The carbon atoms of pyrimidine nucleus are provided by (A) Glycine and aspartate (B) CO2 and aspartate (C) CO2 and glutamate (D) CO2 and glutamine
Description : The nitrogen atoms of pyrimidine nucleus are provided by (A) Glutamate (B) Glutamate and aspartate (C) Glutamine (D) Glutamine and aspartate
Description : NH+ 4 aminates glutamate to form glutamine requiring ATP and (A) K+ (B) Na+ (C) Ca++ (D) Mg++
Description : The 2 nitrogen atoms in urea are contributed by (A) Ammonia and glutamate (B) Glutamine and glutamate (C) Ammonia and aspartate (D) Ammonia and alanine
Description : Which of the following amino acids has a sulfur in the R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine
Last Answer : Tyrosine
Description : Which of the following amino acids has an aromatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine
Description : Which of the following amino acids has an aliphatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Leucine
Last Answer : Leucine
Description : In the A chain of insulin molecule the Cterminal amino acid is (A) Asparagine (B) Threonine (C) Valine (D) Tyrosine
Description : An amino acid that does not form an αhelix is (A) Asparagine (B) Tyrosine (C) Tryptophan (D) Proline
Description : An essential amino acid in man is (A) Proline (B) Threonine (C) Asparagine (D) Tyrosine
Description : The amino acid with a nonpolar side chain is (A) Serine (B) Valine (C) Asparagine (D) Threonine
Description : Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine
Last Answer : (A) Methionine
Description : The first pyrimidine nucleotide to be formed in de novo synthesis pathway is (A) UMP (B) CMP (C) CTP (D) TMP
Description : Synthesis of phosphatidylinositol by transfer of inositol to CDP diacylglycerol is catalysed by the enzyme: (A) CTP phosphatidate cytidyl transferase (B) Phosphatidate phosphohydrolase (C) CDP-diacylglycerol inositol transferase (D) Choline kinase
Description : CTP is required for the synthesis of (A) Fatty acids (B) Proteins (C) Phospholipids (D) Cholesterol
Description : Enamine contains ……. a. double bond and amino group b. double bond and alcohol c. dounle bond and amide d. Diamines
Last Answer : a. double bond and amino group
Description : An important finding in Histidinemia is (A) Impairment of conversion of α-Glutamate to α-ketoglutarate (B) Speech defect (C) Decreased urinary histidine level (D) Patients can not be treated by diet
Description : Alanine can be synthesized from (A) Glutamate and α-ketoglutarate (B) Pyruvate and glutamate (C) Pyruvate and α-ketoglutarate (D) Asparate and α-ketoglutarate
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 : Synthesis of glutamine is accompanied by the hydrolysis of (A) ATP (B) ADP (C) TPP (D) Creatin phosphate