Description : The side chain of which of the following amino acid contain sulphur atom? (A) Methionine (B) Threonine (C) Leucine (D) Tryptophan
Last Answer : Answer : A
Description : A molecule of CO2 is captured by biotin when it acts as coenzyme for carboxylation reaction. The carboxyl group is covalently attached to (A) A nitrogen (N1) of the biotin molecule (B) Sulphur of thiophene ring (C) α-Amino group of lysine (D) α-Amino group of protein
Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.
Last Answer : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller ... is False. D. If both Assertion & Reason are false
Description : Convert each of the following into a fraction: (i) 32% (ii) 614% (iii) 2623% (iv) 120% (v) 6.25% (vi) 0.8% (vii) 0.06% (viii) 22.75% -Maths
Last Answer : answer:
Description : Two masses, one of the 10kg and the other unknown, are placed on a scale in a region where g = 9.67 m/sec2 . The combined weight of these two masses is 174.06 N. Find the unknown mass in kg. a. 20 kg b. 19 kg c. 18 kg d. 17 kg formula: m=Fg k / g
Last Answer : 18 kg
Description : The number of g-molecule of oxygen in 6.02 x 1024CO molecules is?
Last Answer : 5 gram of molecule
Description : A man sells two flats for Rs. 8000 each. neither loosing nor gaining in the deal. If he sold one at a gain of 25%, the other commodity sold at a loss of: A. 50/3 % B. 18 /3% C. 25% D. 32%
Last Answer : Answer – A (50/3 %) Explanation – Total S.P = 16000 Rs. and Total C.P = 16000 Rs. S.P. of Ist = Rs. 8000. Gain on it = 25% C.P of Ist = Rs. (100/125 x 8000) = Rs.6400 C.P of 2nd = Rs, (16000 – 6400) = Rs. 9600. S.P of 2nd = 8000. ∴loss on 2nd commodity = (1600/9600 x 100)% = 50/3%
Description : The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmann’s constant, T = absolute temperature) (A) √(2KT/m) (B) √(3KT/m) (C) √(6KT/m) (D) 3KT/m
Last Answer : (B) √(3KT/m)
Description : Find: (i) 32% of 425 (ii) 1623% of 16 (iii) 6.5% of 400 (iv) 136% of 70 (v) 2.8% of 35 (vi) 0.6% of 45 -Maths
Description : 1/4 32% 0.4 least to greatest?
Last Answer : 0.4 32 1/4
Description : (3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the ... The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.
Last Answer : (3) live wire and the neutral wire Explanation: Three wires enter most homes from the power pole-two "hot" wires and a third "neutral" wire. Each hot wire provides 120- volt current for ... the main switch is put off because the electric circuit (the path where the electricity travels) gets opened.
Description : (2) oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides, which react with the water molecules in the atmosphere to produce acids.
Last Answer : Neuron is - (1) Fundamental unit of energy (2) Particle released in radioactive emission (3) Antiparbcle of neutron (4) Fundamental unit of nervous system
Description : 1 molecule of palmitic acid on total oxidation to CO2 will yield molecules of ATP (as high energy bonds): (A) 129 (B) 154 (C) 83 (D) 25
Description : A typical fat molecule is made up of (a) one glycerol and one fatty acid molecule (b) three glycerol and three fatty acid molecules (c) three glycerol molecules and one fatty acid molecule (d) one glycerol and three fatty acid molecules
Last Answer : (d) one glycerol and three fatty acid molecules.
Description : When one heats concentrated sulfuric acid, one molecule of water is eliminated for every two molecules of sulfuric acid. What substance will result from this reaction?
Last Answer : ANSWER: PYROSULFURIC ACID or DISULFURIC ACID
Description : Which of the following is a sulphur containing amino acid
Last Answer : Which of the following is a sulphur containing amino acid A. Methionine B. Asparagine C. Serine D. Proline
Description : Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid
Last Answer : Answer : D
Description : Ethereal sulphate is synthesized from the _________ amino acid. (A) Neutral (B) Acidic (C) Basic (D) Sulphur containing
Description : The sulphur containing amino acid: (A) Homoserine (B) Serine (C) Methionine (D) Valine
Last Answer : Answer : C
Description : Sulphur-containing amino acid is (A) Glutathione (B) Chondroitin sulphate (C) Homocysteine (D) Tryptophan
Description : An example of sulphur containing amino acid is (A) 2-Amino-3-mercaptopropanoic acid (B) 2-Amino-3-methylbutanoic acid (C) 2-Amino-3-hydroxypropanoic acid (D) Amino acetic acid
Description : Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine
Description : Sulphur containing amino acid (A)Lysine (B) Methionine (C)Glutamine (D) Glycine
Last Answer : (B) Methionine
Description : Which one of the following is sulphur-containing amino acid? (A)Tryptophan (B) Cystine (C) Proline (D) Lysine
Last Answer : (B) Cystine
Description : Sulphur, containing amino acid is – 1) Valine 2) Isolucine 3) Cystine 4) None of these
Last Answer : 3) Cystine
Description : The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following options is correct? - HN - CH - CO - NH - CH - CO - NH - CH - CO - ... -terminal amino acid and D is N-terminal amino acid. (d) A is a sulphur containing amino acid methionine.
Last Answer : (a) D is the acidic amino acid-glutamic acid.
Description : Which one of the following statements is wrong? (a) Uracil is a pyrimidine. (b) Glycine is a sulphur containing amino acid. (c) Sucrose is a disaccharide. (d) Cellulose is a polysaccharide.
Last Answer : (b) Glycine is a sulphur containing amino acid.
Last Answer : (D) Sulphur containing fatty acid
Last Answer : (A) 2-Amino-3-mercaptopropanoic acid
Last Answer : (A) Methionine
Description : Which is a basic unit of a sugar molecule monosaccharide amino acid fatty acid nucleotide?
Last Answer : Monosaccharide
Description : Degeneracy of genetic code implies that (A) Codons do not code for specific amino acid (B) Multiple codons must decode the same amino acids (C) No anticodon on tRNA molecule (D) Specific codon decodes many amino acids
Last Answer : Answer : B
Description : In the B chain of insulin molecule, the C-terminal amino acid: (A) Threonine (B) Tyrosine (C) Glutamate (D) Valine
Description : In the B chain of insulin molecule, the Nterminal amino acid is (A) Proline (B) Threonine (C) Phenylalanine (D) Lysine
Description : In the A chain of insulin molecule the Cterminal amino acid is (A) Asparagine (B) Threonine (C) Valine (D) Tyrosine
Description : In A chain of the insulin molecule the Nterminal amino acid is (A) Glycine (B) Valine (C) Serine (D) Phenylalanine
Description : From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid
Description : At a pH below the isoelectric point, an amino acid exists as (A) Cation (B) Anion (C) Zwitterion (D) Undissociated molecule
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 : Which one of the following biomolecules is correctly characterized? (a) Lecithin-a phosphorylated glyceride found in cell membrane. (b) Palmitic acid - an unsaturated fatty acid with 18 carbon atoms. ... Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.
Last Answer : (a) Lecithin-a phosphorylated glyceride found in cell membrane
Description : Agonists affect the receptor molecule in the following manner: A. Alter its amino acid sequence B. Denature the receptor protein C. Alter its folding or alignment of subunits D. Induce covalent bond formation
Last Answer : C. Alter its folding or alignment of subunits
Description : What is the name given to the bond that links an amino group of one molecule of an amino acid to a carboxyl group of another amino acid?
Last Answer : ANSWER: PEPTIDE LINK or AMIDE LINK or PEPTIDE BOND
Description : How might simple molecules find each other and combine to make a complex molecule?
Last Answer : Feel Free to Answer
Description : How many number of molecules per unit cell which crystallizes in the form of end face centred (monoclinic) lattice with a molecule at each lattice.
Last Answer : 2.
Description : When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases
Last Answer : ANSWER: X -- FREE RADICALS
Description : The ultimate respiratory substrate, yielding maximum number of ATP molecules, is (a) glycogen (b) ketogenic amino acid (c) glucose (d) amylose.
Last Answer : (c) glucose
Description : Sulphur forms the chlorides S2Cl2 and SCl2. The equivalent mass of sulphur in SCl2 is [EAMCET 1985] (A) 8 g/mole (B) 16 g/mole (C) 64.8 g/mole (D) 32 g/mole
Last Answer : (D) 32 g/mole
Description : Is used to indicate the numbers of each type of atom in the naming of a covalent molecule?
Last Answer : Prefixes are used.