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It occurs when a hydrogen atom has an electromagnetic attractive interaction with an electronegative atom.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. It occurs when a hydrogen atom has an electromagnetic attractive interaction with an electronegative atom.
Ans → Hydrogen Bonding
Explanation →
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Q. A bond formed from the electrostatic attraction between ions with different charges. This typically consists of a metal (cation) and a nonmetal (anion). A metal loses electrons to form a cation and some non-metal gains those electrons to form an anion.
Ans → Ionic Bond
Explanation →
Q. It occurs when a hydrogen atom has an electromagnetic attractive interaction with an electronegative atom.
Ans → Hydrogen Bonding
Explanation →
Q. An atom, or group of atoms, that is responsible for reactivity of the molecule it is a part of.
Ans → Functional Groups
Explanation →
Q. A hydrocarbon containing a carbonyl (C=O) adjacent to an ether (C-O-C) linkage.
Ans → Esters
Explanation →
Q. A molecule that seeks out electrons, also known as a Lewis Acid or an electron pair acceptor.
Ans → Electrophile
Explanation →
Q. Electronegativity is a measure of the attraction an atom has for electrons.
Ans → Electronegativity
Explanation →
Q. The process by which proteins lose their 3-D (tertiary and secondary) structure by application of an external stress, most often heat.
Ans → Denatured
Explanation →
Q. A very strong attraction between two or more atoms that are sharing their electrons.
Ans → Covalent Bond
Explanation →
Q. Isomers that differ in the order the atoms are placed. They have the same number of atoms, just in a different order.
Ans → Constitutional Isomers
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. The member of the quinolone family that functions by inhibiting the activity of DNA gyrase, blocking DNA replication
Ans → nalidixic acid
Explanation →
Q. A solid dosage form prepared to a desired shape, usually in large-scale production, by means of high pressure in a punch and die.
Ans → compressed tablet
Explanation →
Q. The most commonly employed technique for separation of plasma proteins
Ans → Electrophoresis
Explanation →
Q. When a substance, called a solvent, is added to a suspension to reduce the concentration.
Ans → dilution
Explanation →
Q. a substance that, when added to a reaction mixture, changes (speeds up) the rate of attainment of equilibrum in the system without itself undergoing a permanent chemical change.
Ans → catalyst
Explanation →
Q. The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
Ans → Erwin Chargaff
Explanation →
Q. Cytokines largely produced by immune system cells that help coordinate efforts against invading pathogens
Ans → interleukins
Explanation →
Q. The ability of electrons to "shuffle," or alternate, between bonds, making the molecule extremely stable. The best example of this is benzene.
Ans → Resonance
Explanation →
Q. Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Ans → double bond
Explanation →
Q. An antibacterial and antiprotozoan drug of the nitroimidazole class that is activated in anaerobic target cell and introduces DNA strand breakage, thus interfering with DNA replication in target cells
Ans → metronidazole
Explanation →
Q. The formula that shows all the atoms a molecule consist of.
Ans → molecular formula
Explanation →
Q. Cholesterol synthesis is controlled by feedback inhibition of the enzyme
Ans → HMG CoA reductase
Explanation →
Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.
Ans → R,S convention
Explanation →
Q. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Ans → β-Glycosidic bonds
Explanation →
Q. Non-fluid colloidal network or polymer network that is expanded throughout its whole volume by a fluid.
Ans → gel
Explanation →
Q. The inorganic element found in the structure of majority of high-energy compounds
Ans → Phosphorus
Explanation →
Q. Name term that describes a solid of regular shape and the presence of three-dimensional order on the level of atomic dimensions, for a given molecule.
Ans → crystalline
Explanation →
Q. The amino acid that is completely destroyed by acid hydrolysis of protein
Ans → Tryptophan
Explanation →
Q. The phenomenon of disorganization of native protein structure is known as
Ans → Denaturation
Explanation →
Q. A term applied to the combination of molecules of a substance with one another to form more complex systems.
Ans → association
Explanation →
Q. The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.
Ans → resonance
Explanation →
Q. Larger nucleus in ciliate protists that have two nuclei; polyploid with a reduced genome of metabolic genes and derived from the micronucleus
Ans → macronucleus
Explanation →
Q. Structure of protein complexes formed by the combination of several separate polypeptides or subunits
Ans → quaternary structure
Explanation →
Q. Vaccine composed of whole pathogen cells or viruses that have been killed or inactivated through treatment with heat, radiation, or chemicals
Ans → inactivated vaccine
Explanation →
Q. The inflammation of the gums that is more severe than gingivitis, spreading deeper into the tissues
Ans → periodontitis
Explanation →
Q. The disease in which very high amount of tryptophan (nearly 60%) is converted to serotonin is
Ans → Malignant carcinoid syndrome
Explanation →
Q. The compound implicated in the development of cataract in diabetic patients is
Ans → Sorbitol
Explanation →
Q. A solution property that changes if the concentration of that solution changes.
Ans → colligative property
Explanation →
Q. Class of antiprotozoan drugs long used for the treatment of malaria; interferes with heme detoxification
Ans → quinolines
Explanation →