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A bond where six electrons are shared between two atoms.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. A bond where six electrons are shared between two atoms.
Ans → Triple Bond
Explanation →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-4 - attemp/practice
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Q. The electrons of an atom that are highest in energy and in the outermost orbitals.
Ans → Valence Electrons
Explanation →
Q. A hydrocarbon that can undergo addition reactions, meaning it contains a double or a triple bond.
Ans → Unsaturated Hydrocarbons
Explanation →
Q. Molecules that have the same molecular formula and sequence of atoms yet differ in their 3-D orientation.
Ans → Stereoisomer
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. A polypeptide composed of amino acids bonded together by peptide bonds.
Ans → Proteins
Explanation →
Q. Large macromolecules composed of many similar (sometimes identical) smaller molecules, or monomers, linked together.
Ans → Polymers
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. Biological molecules, such as DNA and RNA, composed of a nitrogen base, a pentose sugar, and a phosphate group.
Ans → Nucleic Acids
Explanation →
Q. Name the formula that shows the number and kinds of atoms in a molecule.
Ans → Molecular Formula
Explanation →
Q. A chemical formula where electrons are represented with dots. Covalent bonds are represented with a line connecting two atoms—the line represents two electrons.
Ans → Lewis Structure
Explanation →
Q. A functional group consisting of an internal carbonyl group (C=O) bonded to two other carbon atoms
Ans → Ketones
Explanation →
Q. Compounds that have the same molecular formula but different structural formulas
Ans → Isomer
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. The stage of replication during which various proteins bind to the origin of replication to begin the replication process
Ans → initiation of DNA replication
Explanation →
Q. The specific term used to describe carbohydrate stereoisomers differing only in configuration at the hemi-acetal carbon atom.
Ans → anomers
Explanation →
Q. A chemical reaction after which the resulting agents cannot be changed back into the reactions ingredients.
Ans → irreversible reaction
Explanation →
Q. Compounds that have the same molecular formula but different structural formulas
Ans → Isomer
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. 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. The lipoproteins synthesized in the intestinal mucosal cells from the absorbed lipids are
Ans → Chylomicrons
Explanation →
Q. Name the capillary bed in the nephron of the kidney that filters blood to form urine
Ans → glomerulus
Explanation →
Q. A group of common sexually transmitted viruses that may be associated with genital warts or with cervical cancer
Ans → human papillomavirus (HPV)
Explanation →
Q. The amino acids required for the synthesis of purines and pyrimidines are
Ans → Glutamine and aspartate
Explanation →
Q. When a compound is changed into water, heat, and CO2 as a result of combining with oxygen.
Ans → combustion
Explanation →
Q. Name the class of antibacterials that inhibit cell wall synthesis by binding to peptidoglycan subunits and blocking their insertion into the cell wall backbone.
Ans → glycopeptides
Explanation →
Q. Fungal disease caused by the dimorphic fungus Histoplasma capsulatum
Ans → histoplasmosis
Explanation →
Q. The cofactor required for the conversion of phenylalanine to tyrosine is
Ans → Tetrahydrobiopterin
Explanation →
Q. A type of kidney infection involving the glomeruli of the nephrons
Ans → glomerulonephritis
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. stereoisomeric structures which are not enantiomers (mirror images) of one another.
Ans → diastereomers
Explanation →
Q. Greasy, semi-solid preparation for external application, often anhydrous, containing dissolved or dispersed medicaments.
Ans → ointment
Explanation →
Q. A conformation in which substituents on two attached saturated carbon atoms overlap when viewed as a Newman projection.
Ans → eclipsed
Explanation →
Q. The process of separating the lighter particles of a powder from the heavier ones by means of an upward-directed stream of fluid
Ans → elutriation
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. Name the hyperthyroidism caused by an autoimmune disease affecting thyroid function
Ans → Graves disease
Explanation →
Q. The ‘parent’ nucleotide synthesized in the biosynthesis of purines is
Ans → Inosine monophosphate
Explanation →
Q. Name hypothyroidism caused by an autoimmune disease affecting thyroid function
Ans → Hashimoto thyroiditis
Explanation →
Q. A graph of the energy of a reaction against the progress of the reaction.
Ans → energy diagram
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →
Q. Cytokines released by cells that have been infected with a virus; stimulate antiviral responses in nearby cells as well as the cells secreting the interferons
Ans → interferons
Explanation →
Q. Bonds forms between the hydroxyl groups of two sugar molecules
Ans → glycosidic bond
Explanation →