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The percentage of yield that occurred versus the theoretical yield.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. The percentage of yield that occurred versus the theoretical yield.
Ans → percent yield
Explanation →
This question is taken from the test/quiz post: one liners organic chemistry file-11 - attemp/practice
More oneliners in - one liners organic chemistry file-11
Q. A chemical in a reaction that is used up before other ingredients in the reaction, thus limiting how much of the resulting substance can be produced.
Ans → limiting reagent
Explanation →
Q. Two electrons that are not shared between atoms within a molecule.
Ans → lone pair/unshared pair
Explanation →
Q. The formula that shows all the atoms a molecule consist of.
Ans → molecular formula
Explanation →
Q. A reaction between an acid and a base that results in salt and water.
Ans → neutralization reaction
Explanation →
Q. Part of the orbital area in an atom where it is impossible to find an electron.
Ans → node
Explanation →
Q. A bond where elections are equally shared between two atoms.
Ans → nonpolar covalent bond
Explanation →
Q. When parts of the nucleus of atoms are forced together to create a new one.
Ans → nuclear fusion
Explanation →
Q. The percentage of yield that occurred versus the theoretical yield.
Ans → percent yield
Explanation →
Q. Properties of a substance that can be observed without using a chemical reaction that would change the substance.
Ans → physical property
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. A a pair of isomers which are related as mirror images of one another.
Ans → enantiomers
Explanation →
Q. The phenomenon of disorganization of native protein structure is known as
Ans → Denaturation
Explanation →
Q. An unstable and toxic ions and molecules derived from partial reduction of oxygen
Ans → reactive oxygen species (ROS)
Explanation →
Q. A staining technique in which cells are fixed and holes dissolved in the membrane to allow passage of labeled antibodies to bind specific intracellular targets
Ans → immunocytochemistry (ICC)
Explanation →
Q. The third stage of acute disease, during which the number of pathogens present in the host is greatest and the signs and symptoms of disease are most severe
Ans → period of illness
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. The inflammation of the gums that is more severe than gingivitis, spreading deeper into the tissues
Ans → periodontitis
Explanation →
Q. Test in which antigen and antisera are added to neighboring wells in an agar gel, allowing visualization of precipitin arcs
Ans → Ouchterlony assay
Explanation →
Q. Use of products containing genetic material (e.g., pDNA, antisense DNA, si RNA) to treat a disease or condition, or to modify or manipulate the expression of genetic material or to alter the biological properties of living cells.
Ans → gene therapy
Explanation →
Q. Name the large group of antigens bound by antibodies; large enough to settle out of fluid suspension
Ans → immune complex
Explanation →
Q. Under physiological condition, the DNA structure is predominantly in the form
Ans → β-Form
Explanation →
Q. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
Explanation →
Q. Name the stage of transcription during which RNA polymerase binds to a promoter and transcription begins
Ans → initiation of transcription
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. Name the process producing only lactic acid as a fermentation product
Ans → homolactic fermentation
Explanation →
Q. A thermodynamic quantity which is a measure of the degree of disorder within any system.
Ans → entropy
Explanation →
Q. A rare form of transmissible spongiform encephalopathy endemic to Papua New Guinea
Ans → kuru
Explanation →
Q. The lipoproteins synthesized in the intestinal mucosal cells from the absorbed lipids are
Ans → Chylomicrons
Explanation →
Q. Microorganism that cannot synthesize its own ATP and, therefore, must rely on a host cell for energy; behaves like a parasite when inside a host cell,
Ans → obligate intracellular pathogen
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
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. Characteristic angle of slope formed with the horizontal by the side of a static conical mound of powder.
Ans → angle of repose
Explanation →
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
Explanation →
Q. In recent years, a non-protein compound has been identified to bring about catalysis in biological system. The name of the compound is
Ans → RNA
Explanation →
Q. The mechanism by which regulatory T cells inhibit self-reactive immune responses in T cells that have already exited the thymus
Ans → peripheral tolerance
Explanation →
Q. Antihelminthic drug of the benzimidazole class that binds to helminthic β-tubulin, preventing microtubule formation
Ans → mebendazole
Explanation →
Q. The intermediate of citric acid cycle that is involved in heme synthesis
Ans → Succinyl CoA
Explanation →
Q. Ascorbic acid is not synthesized in man due to lack of the enzyme
Ans → L-Gulonolactone oxidase
Explanation →