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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.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
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 →
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
More oneliners in - one liner| organic| B.pharmacy| Pharmacy one liners |organic chemistry| B.pharmacy file-4
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. A term applied to the combination of molecules of a substance with one another to form more complex systems.
Ans → association
Explanation →
Q. DNA sequence located between the promoter region and the first coding gene to which a repressor protein can bind
Ans → operator
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. The migration of a double bond in a 3-carbon system from carbon atoms one and two to carbon atoms two and three
Ans → allylic rearrangement
Explanation →
Q. Name a membrane-bound organelle (not part of the endomembrane system) that produces hydrogen peroxide to break down various types of molecules;
Ans → peroxisome
Explanation →
Q. A chemical processes in which the proportion of more electronegative substituents is decreased, or the charge is made more negative, or the oxidation number is lowered.
Ans → reduction
Explanation →
Q. Structure of protein complexes formed by the combination of several separate polypeptides or subunits
Ans → quaternary structure
Explanation →
Q. A partial agonist is an agonist that produces a maximal response that is less than the maximal response produced by another agonist acting at the same receptors on the same tissue.
Ans → Partial Agonist
Explanation →
Q. Name the class of antifungal drugs that inhibit ergosterol biosynthesis
Ans → imidazoles
Explanation →
Q. Formulation in which individual doses of a granulated dosage form are separated
Ans → divided granule
Explanation →
Q. If two monosaccharides differ in configuration around a single carbon atom, they are known as
Ans → Epimers
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →
Q. The inhibition of the enzyme pancreatic lipase by bile salts is overcome by a protein, namely
Ans → Colipase
Explanation →
Q. The formula that shows all the atoms a molecule consist of.
Ans → molecular formula
Explanation →
Q. The inorganic element found in the structure of majority of high-energy compounds
Ans → Phosphorus
Explanation →
Q. The term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. A term applied an object or molecule that does not possess symmetry.
Ans → asymmetry
Explanation →
Q. Intensely coloured compounds applied to a substrate. Colours are due to the absorption of light to give electronic transitions.
Ans → dyestuffs
Explanation →
Q. The interval of growth when cells divide exponentially; also known as the exponential growth phase
Ans → log phase
Explanation →
Q. Region of the respiratory tract containing the vocal cords; also referred to as the voice box
Ans → larynx
Explanation →
Q. Powder formulation in which individual doses of a powdered dosage form are separately wrapped
Ans → divided powder
Explanation →
Q. Small number of cells added to medium to start a culture is commonly called
Ans → inoculum
Explanation →
Q. Trypsin hydrolyses peptide bonds, the carbonyl group of which is contributed by the amino acids
Ans → Arginine and lysine
Explanation →
Q. The amino acids are said to be ketogenic when the carbon skeleton is finally degraded to
Ans → Acetyl CoA
Explanation →
Q. substance(s) is(are) involved in the regulation of plasma calcium level
Ans → Calcitriol , Parathyroid hormone, Calcitonin
Explanation →
Q. Glycoprotein expressed on the surface of all nucleated cells and involved in the presentation of normal “self” antigens and foreign antigens from intracellular pathogens
Ans → MHC I molecule
Explanation →
Q. The intermediate of citric acid cycle that is involved in heme synthesis
Ans → Succinyl CoA
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 successful colonization of a microorganism within a host is called as
Ans → infection
Explanation →
Q. A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.
Ans → protecting group
Explanation →
Q. Name a toxin that affects cell membrane function by either forming pores or disrupting the phospholipid bilayer
Ans → membrane-disrupting toxin
Explanation →