Description : What dose not contain a hydrophobic structure? -General Knowledge
Last Answer : The answer is 'Rubber'
Last Answer : answer:
Description : A fixed dose combination preparation meant for internal use must not contain the following class of drug: A. Thiazide diuretic B. Fluoroquinolone antimicrobial C. Corticosteroid D. H2 blocker
Last Answer : C. Corticosteroid
Description : Which of the following are hydrophobic sols ?
Last Answer : Which of the following are hydrophobic sols ? A. Protein sol B. Gold sol C. Gum sol D. `Fe(OH)_(3)` sol
Description : Is oil hydrophobic?
Last Answer : Oil is hydrophobic because its chemical formula doesn't allow itto dissolve in water. In other words, it's "water hating".
Description : Is wax hydrophilic or hydrophobic?
Last Answer : Need answer
Description : Is table salt hydrophilic or hydrophobic?
Description : Which bonds are the last to break when an enzyme is heated 1 disulphide 2 hydrogen 3 hydrophobic interactions 4 ionic?
Last Answer : ionic
Description : The structural stability of the double helix of DNA is as cribbed largely to (A) Hydrogen bonding between adjacent purine bases (B) Hydrophobic bonding between staked purine and ... Hydrogen bonding between adjacent pyrimidine bases (E) Hydrogen bonding between purine and pyrimidine bases
Last Answer : Answer : D
Description : All the following statements about steroid hormones are true except (A) They are hydrophobic (B) They require carriers to transport them in circulation (C) Their receptors are intracellular (D) They require cyclic AMP as second messenger
Description : Amphiphatic lipids are (A) Hydrophilic (B) Hydrophobic (C) Both (A) and (B) (D) Lipophilic
Last Answer : Answer : C
Description : Lipoprotein present in cell membrane is by nature: (A) Hydrophilic (B) Hydrophobic (C) Both (A) and (B) (D) None of these
Last Answer : Answer : A
Description : A protein reacts with biuret reagent which indicates 2 or more (A) Blood clotting (B) Peptide bond (C) Disulphide bonds (D) Hydrophobic bonds
Last Answer : Answer : B
Description : The bond in proteins that is not broken under usual conditions of denaturation: (A) Hydrophobic bond (B) Hydrogen bond (C) Disulphide bond (D) Peptide bonds
Description : Proteins react with biuret reagent which is suggestive of 2 or more (A) Hydrogen bonds (B) Peptide bonds (C) Disulphide bonds (D) Hydrophobic bonds
Description : The bond in proteins that is not hydrolysed under usual conditions of denaturation: (A) Hydrophobic bond (B) Hydrogen bond (C) Disulphide bond (D) Peptide bonds
Description : Bonds that are formed between two cysteine residues is (A) Disulphide (B) Peptide (C) Electrostatic (D) Hydrophobic
Description : α-Helix is formed by (A) Hydrogen bonds (B) Hydrophobic bonds (C) Electrostatic bonds (D) Disulphide bonds
Description : At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic
Description : Which of the following statement(s) is/are true concerning the cell plasma membrane? a. The plasma membrane is composed of amphipathic molecules b. The hydrophobic core of the lipid bilayer of the ... contribute to the cell coat d. The membrane proteins of nerve cells are highly voltage-dependent
Last Answer : Answer: a, b, d The plasma membrane defines the boundary of the cell and serves to contain and concentrate enzymes and other macromolecule constituents. The plasma membrane is ... and bear carbohydrate moieties primarily as oligosaccharide chains that contribute to the cell coat or glycocalyx
Description : Explain in brief about hydrophobic interactions in antigen-antibody interaction ?
Last Answer : Contribute up to 50% of the total strength of antigen- antibody interactions. These reactions are found when ever the side chains of non-polar amino acids of antigen-antibody come together.
Description : The two strands of the DNA double helix are held together by (a) Hydrogen bonds (b)C=C double bonds (c) Hydrophobic bonds (d) Peptide bonds
Last Answer : Ans:(a)
Description : Hydrophobic bonds are formed in protein be- tween which amino acids?
Last Answer : Valine, leucine and isoleucine residues.
Description : Name some hydrophobic amino acids.
Last Answer : Valine, leucine and isoleucine.
Description : Which of the following is the least likely to be involved in stabilising the three-dimensional folding of most proteins (a) Hydrogen bonds (b) Electrostatic interaction (c) Hydrophobic interaction (d) Ester bonds
Last Answer : (d) Ester bonds
Description : Lipids are insoluble in water because lipid molecules are (a) hydrophilic (b) hydrophobic (c) neutral (d) zwitter ions.
Last Answer : (b) hydrophobic
Description : In fluid mosaic model of plasma membrane (a) upper layer is non-polar and hydrophilic (b) upper layer is polar and hydrophobic (c) phospholipids form a bimolecular layer in middle part (d) proteins form a middle layer.
Last Answer : (c) phospholipids form a bimolecular layer in middle part
Description : An ___________ solution which consists of solutes in water, is essential for chemical reactions to occur. a. hydrophobic b. aqueous c. covalent d. vitreous
Last Answer : b. aqueous
Description : A _____ dissolves in water. a. solvent b. hydrophobic molecule c. solute d. non polar molecule
Last Answer : c. solute
Description : In thiazides following substituent is essential for diuretic activity : (A) Chloro group at position 6 (B) Methyl group at position 2 (C) Sulphamoyl group at position 7 (D) Hydrophobic group at position 3
Last Answer : (C) Sulphamoyl group at position 7
Description : Elastomers are:** A. Hydrophilic B. Hydrophobic C. Water-loving impression material D. Potassium alginates E. None of the above
Last Answer : B. Hydrophobic
Description : In normal phase HPLC: A. a hydrophilic stationary phase is combined with a non-polar mobile phase. B. a hydrophobic stationary phase is combined with a polar mobile phase. C. a hydrophobic ... a non-polar mobile phase. D. a hydrophilic stationary phase is combined with a polar mobile phase.
Last Answer : A. a hydrophilic stationary phase is combined with a non-polar mobile phase
Description : Cholesterol is Amphipathic in nature because _________ a. It has hydrophilic regions. b. It has hydrophobic regions. c. It has both hydrophilic and hydrophobic regions. d. Both hydrophilic and hydrophobic regions are absent.
Last Answer : c. It has both hydrophilic and hydrophobic regions.
Description : 12. The hydrophobic ends of phospholipid molecules are: (a) Polar (b) Non-polar © Neutral (d) Bipolar
Last Answer : Answer: b Non-polar
Description : 05. What kind of substances can’t permeate membranes by passive diffusion? a) Lipid-soluble b) Non-ionized substances c) Hydrophobic substances d) Hydrophilic substances 06. A hydrophilic medicinal agent
Last Answer : d) Hydrophilic substances
Last Answer : (A) Dipolar ions
Description : Which of the following terms means that a crystal has the ability to capture and hold water molecules? w) hydroponic x) hygroscopic y) hydrophobic z) hydropholectic
Last Answer : ANSWER: X -- HYGROSCOPIC
Description : The hydrocarbon end of a detergent molecule is: w) hydrophilic x) hydrophobic y) possible ionic z) contains oxygen or sulfur
Last Answer : ANSWER: HYDROPHOBIC
Description : Between the layers of phospholipids in a cell membrane, there is an area that is: a) hydrophobic (pron: high-dro-fo-bick) b) hydrophillic (pron: high-dro-fill-ick) c) hygroscopic (pron: high-grow-scop-ick) d) hygrolipic (pron: high-grow-lip-ick)
Last Answer : ANSWER: A -- HYDROPHOBIC
Description : A substance which readily forms colloidal solution in contact with water is called (1) Extrinsic colloid (2) Associated colloid (3) Hydrophobic colloid (4) Hydrophilic colloid
Last Answer : Hydrophilic colloid
Description : What structure in the arm of a human is found to carry oxygen red blood cells and if so what do they also contain?
Description : The Vitamin which does not contain a ring in the structure is (A) Pantothenic acid (B) Vitamin D (C) Riboflavin (D) Thiamin