Description : The useful reagent for detection of amino acids is (A) Molisch reagent (B) Dichlorophenol Indophenol (C) Ninhydrin (D) Biuret
Last Answer : Answer : C
Description : The number of amino acids in human growth hormone is (A) 91 (B) 151 (C) 191 (D) 291
Description : Whcih of the following hormone is a peptide of less than ten amino acids? (A) Insulin (B) Growth hormone (C) Oxytocin (D) Parathyroid hormone 228 MCQs IN BIOCHEMISTRY
Description : Number of amino acid residues in human growth hormone is (A) 51 (B) 84 (C) 191 (D) 198
Description : An amino acid used for the synthesis of thyroid hormone is (A) Tyrosine (B) Tryptophan (C) Histidine (D) Proline
Last Answer : Answer : A
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 : 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 : Which of the following regulates lipolysis in adipocytes? (A) Activation of fatty acid synthesis mediated by CAMP (B) Glycerol phosphorylation to prevent futile esterification of fatty acids (C) ... result of hormone stimulated increases in CAMP levels (D) Activation of CAMP production by Insulin
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
Last Answer : Answer : B
Description : Amino acids provide the nitrogen for the synthesis of (A) The bases of the phospholipids (B) Uric acid (C) Glycolipids (D) Chondroitin sulphates
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
Last Answer : Answer : D
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
Last Answer : B
Description : __________ hormone is a single chain polypeptide having 32 amino acids with molecular weight of 3,600. (A) Testosteron (B) Thyroxine (C) Calcitonine (D) Vasopressin
Description : The number of amino acids in the peptide hormone calcitonin is (A) 16 (B) 24 (C) 32 (D) 40
Description : Thyroid stimulating hormone is a dimer. The α-subunits of TSH, LH, FSH are identical. Thus the biological specificity must therefore be β subunit in which the number of amino acids is (A) 78 (B) 112 (C) 130 (D) 199
Description : The number of amino acids in antidiuretic hormone is (A) 9 (B) 18 (C) 27 (D) 36
Description : The number of amino acids in the hormone oxytocin is (A) 7 (B) 9 (C) 14 (D) 18
Description : The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) ... (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.
Last Answer : (a) reversible protein phosphorylation as a biological regulation mechanism
Description : In the regulation of genes: a. more than 90% of the base sequences in human DNA have not known function b. extrons are the part of the gene that code for amino acids found in the final proteins. c. introns usually begins with the nucleotide sequence GT d. all above
Last Answer : all above
Description : Growth hormone increases (A) Protein synthesis (B) Lipogenesis (C) Glycogenolysis (D) All of these
Description : ‘Lock’ and ‘Key’ theory was proposed by (A) Sorenson (B) Fischer (C) Mehler (D) Sanger
Description : Specific test for ketohexoses: (A) Seliwanoff’s test (B) Osazone test (C) Molisch test (D) None of these
Last Answer : A
Description : The purple ring of Molisch reaction is due to (A) Furfural (B) Furfural + α Napthol (C) °C Napthol (D) Furfurol + H2SO4 + α -Naphthol
Description : The general test for detection of carbohydrates is (A) Iodine test (B) Molisch test (C) Barfoed test (D) Osazone test
Description : The output of free fatty acids from adipose tissue is reduced by (A) Insulin (B) Glucagon (C) Growth hormone (D) Epinephrine
Description : Release of free fatty acids from adipose tissue is increased by all of the following except (A) Glucagon (B) Epinephrine (C) Growth hormone (D) Insulin
Description : Duvali, Dushira and Holi are religious days in which religion?
Last Answer : Hindu 4
Description : 6.9 For therapeutic use, growth hormone is obtained from: A. Recombinant DNA technique B. Human cadaver pituitaries C. Porcine pituitaries D. Chemical synthesis
Last Answer : A. Recombinant DNA technique
Description : Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.
Last Answer : (b) tRNA
Description : .Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.
Last Answer : (c) mRNA
Description : Energy for activation of amino acids during proteins synthesis comes from
Last Answer : Energy for activation of amino acids during proteins synthesis comes from A. ATP B. GTP C. CTP D. UTP
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 : 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 : Amino acids are required for the synthesis of – (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates
Last Answer : (3) Proteins Explanation: Amino acids are required for the synthesis of body protein and other important nitrogen-containing com-pounds. Amino acids are constituents of protein and act as precursors for ... be synthesized and which must then be acquired via the diet are referred to as essential.
Description : .In protein synthesis, the polymerisation of amino acids involves three steps. Which one of the following is not involved in the polymerisation of protein ? (a) Termination (b) Initiation (c) Elongation (d) Transcription
Last Answer : (a) Termination
Description : In protein synthesis, the polymerisation of amino acids involves three steps. Which one of the following is not involved in the polymerisation of protein ? (a) Termination (b) Initiation (c) Elongation (d) Transcription
Last Answer : Transcription
Description : Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds
Last Answer : Strecker's synthesis
Description : A characteristic of protein synthesis in both the archaea and eukarya is A.transcription and translation are coupled B.translation is inhibited by diphtheria toxin C.proteins are synthesized from D-, ... L-, isomers of amino acids D.the initiator tRNA is charged with N-formyl- methionine
Last Answer : C.proteins are synthesized from
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 : A characteristic of protein synthesis in both the archaea and eukarya is A- transcription and translation are coupled B- translation is inhibited by diphtheria toxin C- .proteins are synthesized from D-, rather than L-, isomers of amino acids D- the initiator tRNA is charged with N-formyl-methionine
Last Answer : .proteins are synthesized from D-, rather than L-, isomers of amino acids
Description : Amino acids are required for the synthesis of : (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates
Last Answer : Proteins
Description : Which statement about hormone types is correct? A) Non-steroid hormones activate an enzyme cascade. B) Steroid hormones regulate the production of a particular protein. C) Non-steroid hormones are ... all have four carbon rings with different side chains. E) All of the choices are correct.
Last Answer : E) All of the choices are correct.
Description : The primary structure of a protein refers to the sequence of amino acids that are linked together in a long chain. Which of the following common items would best represent the primary structure of a protein?
Last Answer : beads of different colors joined together on a piece of string
Description : How many amino acids are coded for by this sequence of nucleotides?
Last Answer : Need answer
Description : What sequence of amino acids will correspond to this set of nucleotides AUGCCUACGUGGAC?
Last Answer : What is the answer ?
Description : What Portion of DNA which carries the genetic code for the formation of a particular protein by specifying its amino acids sequence?
Last Answer : Gene
Description : Which of the following is the quaternary structure of proteins concerned with? (a) sequence of amino acids in the peptide chain (b) description of the way the peptide chains are arranged with ... (c) location of the disulfide bridges in the peptide chain (d) conformation of the protein backbone
Last Answer : description of the way the peptide chains are arranged with respect to each other
Description : The _______ structure of a protein is the sequence of amino acids. a. primary b. secondary c. tertiary d. quaternary
Last Answer : a. primary