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Two electrons that are not shared between atoms within a molecule.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. Two electrons that are not shared between atoms within a molecule.
Ans → lone pair/unshared pair
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. Used to describe when symmetric parts of a molecule are not super imposable on one another.
Ans → chirality
Explanation →
Q. A solution property that changes if the concentration of that solution changes.
Ans → colligative property
Explanation →
Q. Having numerous flagella covering the entire surface of a bacterial cell is known as
Ans → peritrichous
Explanation →
Q. Name the types of host cells that a particular virus is able to infect
Ans → host range
Explanation →
Q. The process by which DNA from one organism is cut and new pieces of foreign DNA from a second organism are inserted,
Ans → recombinant DNA technology
Explanation →
Q. Technological process, which consists of mixing or inclusion of the therapeutic substance with an excipient or their mixtures,
Ans → embedding
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 minimum energy which reacting species must possess in order to be able to form an 'activated complex', or 'transition state', before proceeding to the products.
Ans → activation energy
Explanation →
Q. The isomerism associated with unsaturated fatty acids
Ans → Geometric isomerism (cis-trans isomerism)
Explanation →
Q. The amount of a specific radioactive material it takes to create a chain reaction.
Ans → critical mass
Explanation →
Q. The amino acids required for the synthesis of purines and pyrimidines are
Ans → Glutamine and aspartate
Explanation →
Q. The science of studying a collection of mRNA molecules produced from microbial communities
Ans → metatranscriptomics
Explanation →
Q. substance(s) is(are) involved in the regulation of plasma calcium level
Ans → Calcitriol , Parathyroid hormone, Calcitonin
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. 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. A type of kidney infection involving the glomeruli of the nephrons
Ans → glomerulonephritis
Explanation →
Q. Part of the orbital area in an atom where it is impossible to find an electron.
Ans → node
Explanation →
Q. The inflammation of the gums that is more severe than gingivitis, spreading deeper into the tissues
Ans → periodontitis
Explanation →
Q. Name the type of mutation involving the addition of one or more bases into a DNA sequence
Ans → insertion
Explanation →
Q. A rare form of transmissible spongiform encephalopathy endemic to Papua New Guinea
Ans → kuru
Explanation →
Q. Solid material that exists at least in two different molecular arrangements, i.e., distinctly different crystal species.
Ans → polymorph
Explanation →
Q. If an electron passes from one orbital to another an electronic transition occurs and there is the emission or absorption of energy corresponding to the difference in energy of the two orbitals known as
Ans → electronic transition
Explanation →
Q. The phospholipid that prevents the adherence of inner surfaces of lungs
Ans → Dipalmitoyl lecithin
Explanation →
Q. A herpes infection of the newborn, generally caused by infection during birth
Ans → neonatal herpes
Explanation →
Q. Used as processing aid in tablet and capsule manufacturing, to facilitate the movement of the formulation into the dye and punch and to reduce the energy of compression.
Ans → lubricant
Explanation →
Q. A condition in which a disease caused by or acquired during a medical procedure
Ans → iatrogenic disease
Explanation →
Q. Synthesis of 2, 3-bisphosphoglycerate occurs in the tissue namely.
Ans → Erythrocytes
Explanation →
Q. Biological molecules, such as DNA and RNA, composed of a nitrogen base, a pentose sugar, and a phosphate group.
Ans → Nucleic Acids
Explanation →