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Home ❭ Questions ❭ One Liners ❭ Lipid molecules with attached sugars that are found as components of gram-negative outer membranes
Lipid molecules with attached sugars that are found as components of gram-negative outer membranes
Microbiology Pharmacist Competitive Exams
Q. Lipid molecules with attached sugars that are found as components of gram-negative outer membranes
Ans → lipopolysaccharide
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 graph modeling the number of cells in a culture over time
Ans → growth curve
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 a stain that produces colour around the structure of interest while not coloring the structure itself
Ans → negative stain
Explanation →
Q. Used on tablets, granules, pellets, and capsules to make them resistant to gastric fluids but designed to disintegrate, disrupt, or dissolve when the preparation enters the duodenum.
Ans → enteric coating
Explanation →
Q. The oxidation of ferrous (Fe2+) iron to ferric (Fe3+) iron in hemoglobin results in the formation of a compound namely
Ans → Methemoglobin
Explanation →
Q. Repair of the sugar-phosphate backbone of the DNA, making the DNA molecule continuous
Ans → ligation
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. 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. Name the cell envelope structure outside the cell wall in some bacteria that allows bacteria to adhere to surfaces,
Ans → glycocalyx
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 group of common sexually transmitted viruses that may be associated with genital warts or with cervical cancer
Ans → human papillomavirus (HPV)
Explanation →
Q. The immunoglobulin that can cross the placenta and transfer the mother’s immunity to the developing fetus
Ans → IgG
Explanation →
Q. electron systems in which bonding electrons are not localised between two atoms as for a single bond but are spread (delocalized) over the whole group.
Ans → delocalization
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
Explanation →
Q. The compound that facilitates the release of O2 from oxyhemoglobin
Ans → C1– , H+ , 2, 3-BPG
Explanation →
Q. The phenomenon of disorganization of native protein structure is known as
Ans → Denaturation
Explanation →
Q. This refers to a cytokine signal released from a cell to a receptor on a nearby cell
Ans → paracrine function
Explanation →
Q. An individual capable of transmitting a pathogen to another individual without becoming infected
Ans → passive carrier
Explanation →
Q. A Substance that absorbs sufficient moisture from the atmosphere to dissolve itself.
Ans → deliquescent
Explanation →
Q. Name the structure embedded in the dermis from which hair grows
Ans → hair follicle
Explanation →
Q. The space between the cell wall and the plasma membrane, primarily in gram-negative bacteria
Ans → periplasmic space
Explanation →
Q. A rare form of transmissible spongiform encephalopathy endemic to Papua New Guinea
Ans → kuru
Explanation →
Q. The glycosidic bonds at the branching points in the structure of starch are
Ans → 1,6- glycosidic bond
Explanation →
Q. Name leukocytes found in the peripheral blood that are characterized by numerous granules in the cytoplasm
Ans → granulocytes
Explanation →
Q. FIGLU (formimino glutamic acid) is excreted in urine in the deficiency of vitamin
Ans → Folic acid
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. An interval before exponential growth of a microbial population during which cells adjust to a new environment
Ans → lag phase
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. Class of antiprotozoan drugs long used for the treatment of malaria; interferes with heme detoxification
Ans → quinolines
Explanation →