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A ring structure formed from complement proteins C6 through C9 that penetrates the membranes of a targeted cell, causing cell lysis and death
Microbiology Pharmacist Competitive Exams
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 →
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. Name the class of exotoxin that targets and lyses red blood cells, as well as other cells
Ans → hemolysin
Explanation →
Q. Name term that describes a solid of regular shape and the presence of three-dimensional order on the level of atomic dimensions, for a given molecule.
Ans → crystalline
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. Name the enzyme produced by pathogens that degrades hyaluronic acid between adjacent cells in connective tissue
Ans → hyaluronidase
Explanation →
Q. Small red or purple spots on the skin that result from blood leaking out of damaged vessels
Ans → petechiae
Explanation →
Q. Fourth stage of disease, during which the number of pathogens present in the host decreases, along with signs and symptoms of disease
Ans → period of decline
Explanation →
Q. A polypeptide composed of amino acids bonded together by peptide bonds.
Ans → Proteins
Explanation →
Q. All those organisms which do not require air i.e. molecular oxygen for survival , metabolism and growth
Ans → Anaerobes
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. A herpes infection of the newborn, generally caused by infection during birth
Ans → neonatal herpes
Explanation →
Q. Name a dormant cell that survives in the death phase and is resistant to most antibiotics
Ans → persister
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. A staining technique in which labeled antibodies are bound to specific cells in a tissue section
Ans → immunohistochemistry (IHC)
Explanation →
Q. Name the class of antifungal drugs that inhibit ergosterol biosynthesis
Ans → imidazoles
Explanation →
Q. Small edible package made usually from gelatin or other materials that can be filled with drugs (solids or liquids) to produce a unit dose, mainly for oral use.
Ans → capsule
Explanation →
Q. The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
Ans → Erwin Chargaff
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. the phenomenon in which plane polarised light is turned in a clockwise direction.
Ans → dextrorotatory
Explanation →
Q. Name the chronic bacterial infection of peripheral nervous tissues caused by the acid-fast bacterium,
Ans → Hansen’s Disease
Explanation →
Q. The high level of energy electrons can achieve as energy is added.
Ans → excited state
Explanation →
Q. substance(s) is(are) involved in the regulation of plasma calcium level
Ans → Calcitriol , Parathyroid hormone, Calcitonin
Explanation →
Q. The enzyme defect in acute intermittent porphyria
Ans → Uroporphyrinogen synthase I
Explanation →
Q. The prefix sn used to represent glycerol, sn stands for
Ans → Stereospecific number
Explanation →
Q. The Threshold detergent concentration at which micelle formation begins in the bulk phase is called
Ans → critical micelle concentration (cmc)
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. 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. When a complex is formed between a metal ion and an a ligand in solution, the equilibrium may be expressed by a constant which is related to the free energy change for the process
Ans → stability constant
Explanation →
Q. A Biologically active substance, which when biodistributed in the body is expected to modify one or more of its functions.
Ans → drug
Explanation →
Q. Name leukocytes found in the peripheral blood that are characterized by numerous granules in the cytoplasm
Ans → granulocytes
Explanation →
Q. Name the sialic acid, mostly found in the structure of glycoproteins and glycolipids
Ans → N- Acetylneuraminic acid
Explanation →
Q. Electronegativity is a measure of the attraction an atom has for electrons.
Ans → Electronegativity
Explanation →
Q. Large macromolecules composed of many similar (sometimes identical) smaller molecules, or monomers, linked together.
Ans → Polymers
Explanation →
Q. Test in which antigen and antisera are added to neighboring wells in an agar gel, allowing visualization of precipitin arcs
Ans → Ouchterlony assay
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 molecule that seeks out electrons, also known as a Lewis Acid or an electron pair acceptor.
Ans → Electrophile
Explanation →
Q. The isolation of an individual for the purpose of preventing the spread of disease
Ans → quarantine
Explanation →
Q. A common STI of the reproductive system caused by Neisseria gonorrhoeae
Ans → Gonorrheao
Explanation →