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Naturally produced protein synthesis inhibitor of the lincosamide class that binds to the 50S subunit, inhibiting peptide bond formation
Microbiology Pharmacist Competitive Exams
Q. Naturally produced protein synthesis inhibitor of the lincosamide class that binds to the 50S subunit, inhibiting peptide bond formation
Ans → lincomycin
Explanation →
This question is taken from the test/quiz post: Microbiology Important Questions ( One Liners )-11 b.Pharmacy - attemp/practice
More oneliners in - Microbiology Important Questions ( One Liners )-11 b.Pharmacy
Q. Naturally produced protein synthesis inhibitor of the lincosamide class that binds to the 50S subunit, inhibiting peptide bond formation
Ans → lincomycin
Explanation →
Q. Antihelminthic drug of the benzimidazole class that binds to helminthic β-tubulin, preventing microtubule formation
Ans → mebendazole
Explanation →
Q. Name class of protein synthesis inhibitors that are similar to macrolides
Ans → lincosamides
Explanation →
Q. An animal that transfers a pathogen from one host to another or from a reservoir to a host without being infected by the pathogen itself
Ans → mechanical vector
Explanation →
Q. Lipid molecules with attached sugars that are found as components of gram-negative outer membranes
Ans → lipopolysaccharide
Explanation →
Q. A ring structure formed from complement proteins C6 through C9 that penetrates the membranes of a targeted cell, causing cell lysis and death
Ans → membrane attack complex (MAC)
Explanation →
Q. The interval of growth when cells divide exponentially; also known as the exponential growth phase
Ans → log phase
Explanation →
Q. A known volumes are vacuum filtered aseptically through a membrane with a pore size small enough to trap microorganisms, which are counted after growth on plates
Ans → membrane filtration technique
Explanation →
Q. Name the bean-shaped organs situated throughout the body that contain areas called germinal centers, which are rich in B and T lymphocytes
Ans → lymph nodes
Explanation →
Q. Name a toxin that affects cell membrane function by either forming pores or disrupting the phospholipid bilayer
Ans → membrane-disrupting toxin
Explanation →
Q. Name the process in which rapid freezing, followed by placement under a vacuum, of a material so that water is lost by sublimation, thereby inhibiting microbial growth
Ans → lyophilization
Explanation →
Q. An activated and differentiated B cell that is programmed to respond to secondary exposures to a specific antigen
Ans → memory B cell
Explanation →
Q. Name an organelle of the endomembrane system that contains digestive enzymes that break down engulfed material such as foodstuffs, infectious particles, or damaged cellular components
Ans → lysosome
Explanation →
Q. It is the ability of the specific adaptive immune system to quickly respond to pathogens to which it has previously been exposed
Ans → memory
Explanation →
Q. Name an inflammatory response that involves both the brain and the membranes that surround it
Ans → meningoencephalitis
Explanation →
More one-liners in - Microbiology
Q. Process of making dense, spherical pellets by means of special spheronizing or pelletizing equipment.
Ans → spheronization
Explanation →
Q. The very first enzyme elevated in serum in myocardial infarction
Ans → Creatine phosphokinase (CPK)
Explanation →
Q. Name the retrovirus responsible for acquired immune deficiency syndrome (AIDS) in humans
Ans → human immunodeficiency virus (HIV)
Explanation →
Q. The granulocytes similar in origin and function to basophils, but residing in tissues
Ans → mast cells
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 cofactor required for the conversion of phenylalanine to tyrosine is
Ans → Tetrahydrobiopterin
Explanation →
Q. Antibody that is a monomer when functioning as a receptor on surface of B cells but a pentamer when secreted in response to specific pathogens;
Ans → IgM
Explanation →
Q. Microorganism that cannot synthesize its own ATP and, therefore, must rely on a host cell for energy; behaves like a parasite when inside a host cell,
Ans → obligate intracellular pathogen
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. DNA sequence located between the promoter region and the first coding gene to which a repressor protein can bind
Ans → operator
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. A part of the upper throat (pharynx) extending from the posterior nasal cavity; carries air inhaled through the nose
Ans → nasopharynx
Explanation →
Q. Repair of the sugar-phosphate backbone of the DNA, making the DNA molecule continuous
Ans → ligation
Explanation →
Q. The compound implicated in the development of cataract in diabetic patients is
Ans → Sorbitol
Explanation →
Q. The number of ATP produced when a molecule of acetyl CoA is oxidized through citric acid cycle
Ans → 12
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. The glycosaminoglycan that serves as a lubricant and shock absorbant of joints
Ans → Hyaluronic acid
Explanation →
Q. Cytokines largely produced by immune system cells that help coordinate efforts against invading pathogens
Ans → interleukins
Explanation →
Q. The term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. An animal that transfers a pathogen from one host to another or from a reservoir to a host without being infected by the pathogen itself
Ans → mechanical vector
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. Name the process in which rapid freezing, followed by placement under a vacuum, of a material so that water is lost by sublimation, thereby inhibiting microbial growth
Ans → lyophilization
Explanation →
Q. Usually a small, flat, and soft tablet, which is designed to be placed inside the cheek to be directly absorbed through the mucosa for systemic effect.
Ans → buccal tablet
Explanation →
Q. The phospholipid that produces second messengers in hormonal action
Ans → Phosphatidylinositol
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. Use of products containing genetic material (e.g., pDNA, antisense DNA, si RNA) to treat a disease or condition, or to modify or manipulate the expression of genetic material or to alter the biological properties of living cells.
Ans → gene therapy
Explanation →
Q. The lipids that are not the structural components of biological membranes
Ans → Triacylglycerols
Explanation →
Q. Name the molecule that is too small to be antigenic alone but becomes antigenic when conjugated to a larger protein molecule
Ans → hapten
Explanation →
Q. Leukocytes found in the peripheral blood that are characterized by numerous granules
Ans → granulocytes
Explanation →
Q. Memberane-body antibody monomer functioning as receptor on the surface of B cells
Ans → IgD
Explanation →
Q. DNA-binding proteins found in eukaryotes and archaea that aid in orderly packaging of chromosomal DNA
Ans → histones
Explanation →
Q. An overall reaction in which an electrophile binds to a substrate with the expulsion of another electrophile is known as
Ans → electrophilic substitution
Explanation →