Description : In mammalian tissues serine can be a biosynthetic precursor of (A) Methionine (B) Glycine (C) Tryptophan (D) Phenylalanine
Last Answer : Answer : B
Description : Sulphur containing amino acid (A)Lysine (B) Methionine (C)Glutamine (D) Glycine
Last Answer : (B) Methionine
Description : All the following amino acids are optically active except (A) Tryptophane (B) Phenylalanine (C) Valine (D) Glycine
Last Answer : Answer : D
Description : N-Formiminoglutamate is a metabolite of (A) Glutamate (B) Histidine (C) Tryptophan (D) Methionine
Description : Pyrimidine and purine nucleoside biosynthesis share a common precursor: (A) PRPP (B) Glycine (C) Fumarate (D) Alanine
Last Answer : Answer : A
Description : An amino acid required for porphyrin synthesis is (A) Proline (B) Glycine (C) Serine (D) Histidine
Description : Pyridoxine deficiency can be diagnosed by measuring the urinary excretion of xanthurenic acid following a test dose of (A) Glycine (B) Histidine (C) Tryptophan (D) Pyridoxine
Last Answer : Answer : C
Description : All α-amino acids have one asymmetric carbon atom except (A) Arginine (B) Glycine (C) Aspartic acid (D) Histidine
Description : All amino acids have one asymmetric carbon atom, except (A) Arginine (B) Aspargine (C) Histidine (D) Glycine
Description : The basic amino acid: (A) Glycine (B) Leucine (C) Histidine (D) Proline
Description : The amino acid which contains an indole group is (A) Histidine (B) Arginine (C) Glycine (D) Tryptophan
Description : This amino acid cannot have optical isomers: (A) Alanine (B) Histidine (C) Threonine (D) Glycine
Description : A synthetic RNA having the sequence of UUUUUU (Poly U) will give a protein having poly ______. (A) Alamine (B) Phenyl alanine (C) Glycine (D) Methionine
Description : Methylcobalamin is required for formation of (A) Serin from glycine (B) Glycine from serine (C) Methionine from homocysteine (D) All of these
Description : Carnitine is synthesized from (A) Lysine and methionine (B) Glycine and arginine (C) Aspartate and glutamate (D) Proline and hydroxyproline
Description : The amino acids required for creatine formation: (A) Glycine (B) Arginine (C) Methionine (D) All of these
Description : The first amino acid incorporated in a polypeptide in a ribosome of a bacterium is (A) N formyl methionine (B) Methionine (C) Alamine (D) Glycine
Description : The only known physiological methylating agents in the animal organism are (A) Choline and betaine (B) Choline and δ-adenosyl methionine (C) Betaine and δ-adenyosyl methionine (D) Dimehtyl glycine and betaine
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 : The metabolic reaction requiring vitamin B12 but not folate is: A. Conversion of malonic acid to succinic acid B. Conversion of homocysteine to methionine C. Conversion of serine to glycine D. Thymidylate synthesis
Last Answer : A. Conversion of malonic acid to succinic acid
Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).
Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO
Description : Which of the following amino acid participate in urea cycle?(a) Argininie (b) Lysine (c) Tryptophan (d) Histidine
Last Answer : (a) Argininie
Description : Generally, cereals are deficient in – a) Protein b) Tryptophan c) Methionine d) Lysine
Last Answer : a) Protein
Description : Rice grain is deficient in (A) Lysine (B) Alanine (C) Glycine (D) Isoleucine
Last Answer : (A) Lysine
Description : Which of the following control the root initiation, cell elongation and apical dominance? (A)Auxins (B) ABA (C) Gibberellins (D) Ethylene
Last Answer : (D) Ethylene
Last Answer : (B) ABA
Description : Which plant growth regulator is used for ripening? a) GA b) IBA c) Ethylene d) Cytokinin
Last Answer : c) Ethylene
Description : A plant hormone, which is primary regulator of abscission process is (a) Ethylene (b) Auxin (c) ABA (d) Gibberellins
Last Answer : (c) ABA
Description : Who remembers the precursor to video games, choose your own adventure novels?
Last Answer : I totally remember those. I thought it was amazing when goosebumps did em. Love the memories
Description : What is the meaning of the word Precursor ?
Last Answer : forerunner , forerunner, etc.
Description : Carbon skeleton produced during respiration. (Eg. `alpha`-ketoglutarate, OAA etc. intermediates) are used as precursor for biosynthesis of other molec
Last Answer : Carbon skeleton produced during respiration. (Eg. `alpha`-ketoglutarate, OAA etc. intermediates) are ... biosynthesis of other molecules in the cell.
Description : Which of the following technique is used to measure the hormones, their precursor, and their metabolic and products quantitatively in the living body
Last Answer : Which of the following technique is used to measure the hormones, their precursor, and their ... Chromatography C. Oscilloscope D. None of these
Description : The mechanism of synthesis of DNA and RNA are similar to all the following ways except (A) They involve release of pyrophosphate from each nucleotide added (B) They require activated nucleotide precursor and Mg2+ (C) The direction of synthesis is (D) They require a primer
Description : Insoinic acid is the biological precursor of (A) Cytosine and Uric acid (B) Adenylve acid and Glucine floc acid (C) Orotic acid and Uridylic acid (D) Adenosine acid Thymidine
Description : The mechanism of synthesis of DNA and RNA are similar in all the following ways except (A) They involve release of pyrophosphate from each nucleotide added (B) They require activated nucleotide precursor and Mg2+ (C) The direction of synthesis is 5’ → 3’ (D) They require a primer
Description : All of the following statements about tRNA are true except (A) It is synthesized as a large precursor (B) It is processed in the nucelolus (C) It has no codons or anticodons (D) Genes for rRNA are present in single copies
Description : Heterogeneous nuclear RNA is the precursor of (A) mRNA (B) rRNA (C) tRNA (D) None of these
Description : All the following statements about βendorphin are true except µ : (A) It is a polypeptide (B) Its precursor is pro-opio-melanocortin (C) Its receptors are represent in brain (D) Its action is blocked by morphine
Description : Immediate precursor of epinephrine is (A) Metanephrine (B) Norepinephrine (C) Dopa (D) Dopamine
Description : All the following statements about proopiomelanocortin are true except (A) It is made up of 285 amino acids (B) It is synthesised in pars intermedia and anterior lobe of pituitary gland ... ) It is the precursor of corticotropin like intermediate lobe peptide and endorphins 218 MCQs IN BIOCHEMISTRY
Description : Precursor of ACTH is (A) Cholesterol (B) Pregnenolone (C) Corticotropin (D) Pro-opiomelanocortin
Description : The precursor of testosterone is (A) Aldosterone (B) Methyl testosterone (C) Estrone (D) Pregnenolone
Description : Zymogen is a (A) Vitamin (B) Enzyme precursor (C) Modulator (D) Hormone
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
Description : In the pathway leading to biosynthesis of acetoacetate from acetyl-CoA in liver, the immediate precursor of aceotacetate is (A) Acetoacetyl-CoA (B) 3-Hydroxybutyryl-CoA (C) 3-Hydroxy-3-methyl-glutaryl-CoA (D) 3-Hydroxybutyrate
Description : Which of the following intermediates of metabolism can be both a precursor and a product of glucose? (A) Lactate (B) Pyruvate (C) Alanine (D) Acetyl-CoA
Description : Cholesterol is a precursor in the biogenesis of (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) None of these
Description : Precursor of Vitamin A is (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these VITAMINS 121