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A a stain that produces colour around the structure of interest while not coloring the structure itself
Microbiology Pharmacist Competitive Exams
Q. A a stain that produces colour around the structure of interest while not coloring the structure itself
Ans → negative stain
Explanation →
This question is taken from the test/quiz post: Microbiology Important Questions ( One Liners )-12 Pharmacy - attemp/practice
More oneliners in - Microbiology Important Questions ( One Liners )-12 Pharmacy
Q. A type of inclusion containing volutin, a polymerized inorganic phosphate that appears red when stained with methylene blue
Ans → metachromatic granule
Explanation →
Q. A virus composed of a nucleic acid core, either DNA or RNA, surrounded by a capsid
Ans → naked virus
Explanation →
Q. The the sequencing of genomic fragments from microbial communities, allowing researchers to study genes from a collection of multiple species
Ans → metagenomics
Explanation →
Q. The science of studying a collection of mRNA molecules produced from microbial communities
Ans → metatranscriptomics
Explanation →
Q. The member of the quinolone family that functions by inhibiting the activity of DNA gyrase, blocking DNA replication
Ans → nalidixic acid
Explanation →
Q. An antibacterial and antiprotozoan drug of the nitroimidazole class that is activated in anaerobic target cell and introduces DNA strand breakage, thus interfering with DNA replication in target cells
Ans → metronidazole
Explanation →
Q. A part of the upper throat (pharynx) extending from the posterior nasal cavity; carries air inhaled through the nose
Ans → nasopharynx
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. A three-dimensional structure of folded fully functional proteins
Ans → native structure
Explanation →
Q. A glycoprotein expressed only on the surface of antigen-presenting cells and involved in the presentation of foreign antigens from pathogens ingested by phagocytosis
Ans → MHC II molecule
Explanation →
Q. A lymphoid cells that recognize and destroy abnormal target cells by inducing apoptosis
Ans → natural killer cells (NK cells)
Explanation →
Q. A simple spherical arrangement of amphipathic lipid molecules with nonpolar tails aggregated within the interior and polar heads forming the outer surface
Ans → micelle
Explanation →
Q. A a stain that produces colour around the structure of interest while not coloring the structure itself
Ans → negative stain
Explanation →
Q. An organism that requires oxygen at levels lower than atmospheric concentration
Ans → microaerophile
Explanation →
Q. A herpes infection of the newborn, generally caused by infection during birth
Ans → neonatal herpes
Explanation →
More one-liners in - Microbiology
Q. DNA sequence located between the promoter region and the first coding gene to which a repressor protein can bind
Ans → operator
Explanation →
Q. Proteins that participate in ribosome assembly during initiation
Ans → initiation factors
Explanation →
Q. the angle between groups attached on adjacent carbon atoms when viewed in a Newman projection.
Ans → dihedral angle
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 backbone of nucleic acid structure is constructed by
Ans → Phosphodiester bridges
Explanation →
Q. Name a method of acid-fast staining that does not use heat to infuse the primary stain, carbolfuchsin, into acid-fast cells
Ans → Kinyoun technique
Explanation →
Q. Isomers that differ in the order the atoms are placed. They have the same number of atoms, just in a different order.
Ans → Constitutional Isomers
Explanation →
Q. Larger nucleus in ciliate protists that have two nuclei; polyploid with a reduced genome of metabolic genes and derived from the micronucleus
Ans → macronucleus
Explanation →
Q. Name the organism that depends on high concentrations of salt in the environment to grow
Ans → halophile
Explanation →
Q. Name the antibody dimer primarily found in breast milk, mucus, saliva, and tears
Ans → IgA
Explanation →
Q. A lymphoid cells that recognize and destroy abnormal target cells by inducing apoptosis
Ans → natural killer cells (NK cells)
Explanation →
Q. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Ans → β-Glycosidic bonds
Explanation →
Q. Close, tight aggregation of colloid particles, emulsion droplets, suspension particles, which are difficult to redisperse.
Ans → coagulation
Explanation →
Q. Having numerous flagella covering the entire surface of a bacterial cell is known as
Ans → peritrichous
Explanation →
Q. The granulocytes similar in origin and function to basophils, but residing in tissues
Ans → mast cells
Explanation →
Q. Lowest concentration of an antibacterial drug necessary to inhibit the growth of a microorganism.
Ans → minimum inhibitory concentration (MIC)
Explanation →
Q. The process wherein orbitals of similar energies are combined to form a set of equivalent ‘hybrid’ orbital.
Ans → hybridization
Explanation →
Q. The term given to organic molecules which contain no multiple bonds.
Ans → saturated
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. Name adaptive immunity mediated by antibodies produced by B cells
Ans → humoral immunity
Explanation →
Q. Name the chronic bacterial infection of peripheral nervous tissues caused by the acid-fast bacterium,
Ans → Hansen’s Disease
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
Explanation →
Q. Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion.
Ans → deflocculation
Explanation →
Q. The science and study of the ways in which the pharmaceutical formulation of administered agents can influence their pharmacodynamic and pharmacokinetic behaviour.
Ans → Biopharmaceutics
Explanation →
Q. Name the most serious stage of pertussis (whooping cough), characterized by severe and prolonged coughing spells
Ans → paroxysmal stage
Explanation →
Q. Transport of glucose from the lumen to the intestinal mucosal cells is coupled with diffusion of
Ans → Enteropeptidase
Explanation →
Q. Refers to a polar molecule or portion of a molecule capable of strong attraction to water molecules
Ans → hydrophilic
Explanation →
Q. A compound released from a natural killer cell that creates pores in the target cell through which other toxins (particularly granzymes) can gain access to the cytoplasm
Ans → perforin
Explanation →
Q. Movement of a pathogen from one host to another population through physical contact or through droplet transmission
Ans → horizontal direct transmission
Explanation →
Q. White blood cells of various types, including granulocytes, lymphocytes, and monocytes
Ans → leukocytes
Explanation →
Q. Name the enzyme produced by pathogens that degrades hyaluronic acid between adjacent cells in connective tissue
Ans → hyaluronidase
Explanation →
Q. Structure of protein complexes formed by the combination of several separate polypeptides or subunits
Ans → quaternary structure
Explanation →
Q. Substrate level phosphorylation in citric acid cycle is catalysed by the enzyme
Ans → Succinate thiokinase
Explanation →
Q. The member of the quinolone family that functions by inhibiting the activity of DNA gyrase, blocking DNA replication
Ans → nalidixic acid
Explanation →