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The distortion of a light wave due to interaction with another wave
Microbiology Pharmacist Competitive Exams
Q. The distortion of a light wave due to interaction with another wave
Ans → interference
Explanation →
This question is taken from the test/quiz post: Microbiology Important Questions (One Liners Set - 8) | Pharmacy - attemp/practice
More oneliners in - Microbiology Important Questions (One Liners Set - 8) | Pharmacy
Q. Name a group of common sexually transmitted viruses that may be associated with genital warts or with cervical cancer
Ans → human papillomavirus (HPV)
Explanation →
Q. Name adaptive immunity mediated by antibodies produced by B cells
Ans → humoral immunity
Explanation →
Q. Name 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. Name the stage of transcription during which RNA polymerase binds to a promoter and transcription begins
Ans → initiation of transcription
Explanation →
Q. Name a microorganism that has an optimum growth temperature close to the temperature of boiling water
Ans → hyperthermophile
Explanation →
Q. Name the type of mutation involving the addition of one or more bases into a DNA sequence
Ans → insertion
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Q. Name the term that refers to a nonpolar molecule or portion of a molecule not capable of strong attraction to water molecules
Ans → hydrophobic
Explanation →
Q. Name the antiviral drugs that block the activity of the HIV integrase responsible for recombination of a DNA copy of the viral genome into the host cell chromosome
Ans → integrase inhibitors
Explanation →
Q. Name the molecule that slides between the stacked nitrogenous bases of the DNA double helix, potentially resulting in a frameshift mutation
Ans → intercalating agent
Explanation →
Q. Name the term that refers to a polar molecule or portion of a molecule capable of strong attraction to water molecules
Ans → hydrophilic
Explanation →
Q. The distortion of a light wave due to interaction with another wave
Ans → interference
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. The clones of cell produced by fusing a normal B cell with a myeloma cell that is capable of producing monoclonal antibodies indefinitely
Ans → hybridoma
Explanation →
Q. Cytokines largely produced by immune system cells that help coordinate efforts against invading pathogens
Ans → interleukins
Explanation →
Q. Name the enzyme produced by pathogens that degrades hyaluronic acid between adjacent cells in connective tissue
Ans → hyaluronidase
Explanation →
More one-liners in - Microbiology
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 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 isomerism associated with unsaturated fatty acids
Ans → Geometric isomerism (cis-trans isomerism)
Explanation →
Q. The mechanism for making ATP that uses the potential energy stored within an electrochemical gradient to add Pi to ADP
Ans → oxidative phosphorylation
Explanation →
Q. Type of comparative bioavailability study designed in such a way as to take into account differences in bioavailability arising from differences between patients suffering from disease
Ans → crossover study
Explanation →
Q. A graph of the energy of a reaction against the progress of the reaction.
Ans → energy diagram
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Q. Crystalline form of a compound in which one or more solvent molecules are part of the crystal strucure.
Ans → solvate
Explanation →
Q. The lipoproteins synthesized in the intestinal mucosal cells from the absorbed lipids are
Ans → Chylomicrons
Explanation →
Q. DNA-binding proteins found in eukaryotes and archaea that aid in orderly packaging of chromosomal DNA
Ans → histones
Explanation →
Q. Growth on the skin associated with infection by any of the human papilloma viruses (HPV); commonly known as a wart
Ans → papilloma
Explanation →
Q. Having numerous flagella covering the entire surface of a bacterial cell is known as
Ans → peritrichous
Explanation →
Q. Movement of a pathogen from one host to another population through physical contact or through droplet transmission
Ans → horizontal direct transmission
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Q. The distortion of a light wave due to interaction with another wave
Ans → interference
Explanation →
Q. Transport of glucose from the lumen to the intestinal mucosal cells is coupled with diffusion of
Ans → Enteropeptidase
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Q. Characteristic angle of slope formed with the horizontal by the side of a static conical mound of powder.
Ans → angle of repose
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Q. A functional group consisting of an internal carbonyl group (C=O) bonded to two other carbon atoms
Ans → Ketones
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Q. What is the name of the eye infection caused by herpes simplex virus
Ans → herpes keratitis
Explanation →
Q. Name the organism that depends on high concentrations of salt in the environment to grow
Ans → halophile
Explanation →
Q. The power of a microscope (or lens) to produce an image that appears larger than the actual specimen, expressed as a factor of the actual size
Ans → magnification
Explanation →
Q. The base pair G-C is more stable and stronger than A-T due to
Ans → 3 Hydrogen bonds
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Q. Substrate level phosphorylation in citric acid cycle is catalysed by the enzyme
Ans → Succinate thiokinase
Explanation →
Q. Name leukocytes found in the peripheral blood that are characterized by numerous granules in the cytoplasm
Ans → granulocytes
Explanation →
Q. An interval before exponential growth of a microbial population during which cells adjust to a new environment
Ans → lag phase
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. Measure of the fraction of a given drug that is absorbed intact into the systemic circulation from a dosage form, relative to a recognized, clinically proven, standard dosage form of that drug.
Ans → relative bioavailability
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Q. Examples of two enzymes containing zinc are
Ans → Alcohol dehydrogenase, carbonic anhydrase
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. 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 difference between plasma and serum is the presence or absence of
Ans → Fibrinogen
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. The compound implicated in the development of cataract in diabetic patients is
Ans → Sorbitol
Explanation →
Q. The shorter identical peptide chains of an antibody molecule (two per antibody monomer), composed of variable and constant region segments
Ans → light chains
Explanation →
Q. Surfactant (or a mixture containing one or more surfactants) having cleaning properties in dilute solutions
Ans → detergent
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. The tendency for a molecule to acquire electrons and become reduced
Ans → redox potential
Explanation →