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Home ❭ Questions ❭ One Liners ❭ stereoisomeric structures which are not enantiomers (mirror images) of one another.
stereoisomeric structures which are not enantiomers (mirror images) of one another.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. stereoisomeric structures which are not enantiomers (mirror images) of one another.
Ans → diastereomers
Explanation →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-2 - attemp/practice
More oneliners in - one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-2
Q. a chemical reaction in which two species (e.g. molecules, ions or radicals) react together to form new chemical species.
Ans → bimolecular reaction
Explanation →
Q. the energy required to break a particular bond by a homolytic process.
Ans → bond energy
Explanation →
Q. any of two or more hypothetical structures of resonance theory which can be written for a molecule simply by rearranging the valence electrons of the molecule.
Ans → canonical structures
Explanation →
Q. a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.
Ans → buffer solution
Explanation →
Q. the energy required to break a particular bond by a homolytic process.
Ans → bond energy
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 method for producing gasoline from heavy petroleum distillates.
Ans → catalytic cracking
Explanation →
Q. electron systems in which bonding electrons are not localised between two atoms as for a single bond but are spread (delocalized) over the whole group.
Ans → delocalization
Explanation →
Q. the process of improving the octane number of straight-run gasoline by increasing the proportion of aromatic and branched chain alkanes.
Ans → catalytic reforming
Explanation →
Q. the phenomenon in which plane polarised light is turned in a clockwise direction.
Ans → dextrorotatory
Explanation →
Q. reactions which proceed by means of a set of repeating cyclical steps, e.g. the free radical addition of hydrogen bromide to an alkene.
Ans → chain reaction
Explanation →
Q. stereoisomeric structures which are not enantiomers (mirror images) of one another.
Ans → diastereomers
Explanation →
Q. a term which may be applied to any asymmetric object or molecule. The property of non-identity of an object with its mirror image
Ans → chirality
Explanation →
Q. the angle between groups attached on adjacent carbon atoms when viewed in a Newman projection.
Ans → dihedral angle
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. Cholesterol synthesis is controlled by feedback inhibition of the enzyme
Ans → HMG CoA reductase
Explanation →
Q. Name the rule that states that atoms will lose, gain, or share electrons in order to achieve a filled valence shell, to complete their octet.
Ans → Octet Rule
Explanation →
Q. reactions which proceed by means of a set of repeating cyclical steps, e.g. the free radical addition of hydrogen bromide to an alkene.
Ans → chain reaction
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. Name the chronic bacterial infection of peripheral nervous tissues caused by the acid-fast bacterium,
Ans → Hansen’s Disease
Explanation →
Q. Anti-tuberculosis drug, isonicotinic acid hydrazide (INH) leads to the deficiency of vitamin
Ans → Pyridoxine (B6)
Explanation →
Q. This refers to a cytokine signal released from a cell to a receptor on a nearby cell
Ans → paracrine function
Explanation →
Q. A polypeptide composed of amino acids bonded together by peptide bonds.
Ans → Proteins
Explanation →
Q. Name the plasmid containing genes encoding proteins that make a bacterial cell resistant to one or more antibiotics
Ans → R plasmid
Explanation →
Q. A staining technique in which labeled antibodies are bound to specific cells in a tissue section
Ans → immunohistochemistry (IHC)
Explanation →
Q. When particles move to a lower area of concentration from a high area of concentration.
Ans → diffusion
Explanation →
Q. When a mix of liquids is separated by heating it up because one liquid boils at a different temperature than the other.
Ans → distillation
Explanation →
Q. Name a common STI of the reproductive system caused by Neisseria gonorrhoeae
Ans → gonorrhea
Explanation →
Q. Transition of a suspension of solid, usually colloid, particles in a liquid (sol) to an apparent solid, jelly- like material
Ans → sol-gel transition
Explanation →
Q. Which enzymes in glycolysis catalyses an irreversible reaction
Ans → Pyruvate kinase , Phosphofructokinase, Hexokinase
Explanation →
Q. A molecule that seeks out electrons, also known as a Lewis Acid or an electron pair acceptor.
Ans → Electrophile
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. The polymers of monosaccharides or their derivatives, held together by glycosidic bonds
Ans → Polysaccharide
Explanation →
Q. An Obstacle such as coating or embedding, which acts as a factor controlling the rate of drug release.
Ans → diffusion barrier
Explanation →
Q. a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.
Ans → buffer solution
Explanation →
Q. A conformation in which substituents on two attached saturated carbon atoms overlap when viewed as a Newman projection.
Ans → eclipsed
Explanation →
Q. A glycoprotein expressed only on the surface of antigen-presenting cells and involved in the presentation of foreign antigens from pathogens ingested by phagocytosis
Ans → MHC II molecule
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →
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. A hydrocarbon containing a carbonyl (C=O) adjacent to an ether (C-O-C) linkage.
Ans → Esters
Explanation →