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On a light microscope, the lenses closest to the specimen, typically located at the ends of turrets is called as
Microbiology Pharmacist Competitive Exams
Q. On a light microscope, the lenses closest to the specimen, typically located at the ends of turrets is called as
Ans → objective lenses
Explanation →
This question is taken from the test/quiz post: Microbiology Important questions ( one liners )-13 Pharmacy - attemp/practice
More oneliners in - Microbiology Important questions ( one liners )-13 Pharmacy
Q. On a light microscope, the lenses closest to the specimen, typically located at the ends of turrets is called as
Ans → objective lenses
Explanation →
Q. A form of microbial control using heat that is applied to foods; kills pathogens and reduces the number of spoilage-causing microbes while maintaining food quality
Ans → pasteurization
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. An adaptive immune defenses received from another individual or animal
Ans → passive immunity
Explanation →
Q. A a special objective lens on a microscope designed to be used with immersion oil to improve resolution
Ans → oil immersion lens
Explanation →
Q. An individual capable of transmitting a pathogen to another individual without becoming infected
Ans → passive carrier
Explanation →
Q. The short fragment of DNA made during lagging strand synthesis
Ans → Okazaki fragment
Explanation →
Q. Name the most serious stage of pertussis (whooping cough), characterized by severe and prolonged coughing spells
Ans → paroxysmal stage
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 means of entry by a pathogen through skin or mucous membranes when these barriers are breached
Ans → parenteral route
Explanation →
Q. Name the type of symbiosis in which one population benefits while harming the other parasitology the study of parasites
Ans → parasitism
Explanation →
Q. A group of genes with related functions often found clustered together within the prokaryotic chromosome and transcribed under the control of a single promoter and operator repression sequence
Ans → operon
Explanation →
Q. This refers to a cytokine signal released from a cell to a receptor on a nearby cell
Ans → paracrine function
Explanation →
Q. Inflammation of the conjunctiva in newborns caused by Neisseria gonorrhoeae transmitted during childbirth
Ans → ophthalmia neonatorum
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 →
More one-liners in - Microbiology
Q. The nitrogen atoms in the purine ring are obtained from
Ans → Glycine , Glutamine , Aspartate
Explanation →
Q. Proinflammatory molecule released by basophils and mast cells in response to stimulation by other cytokines and chemical mediators
Ans → histamine
Explanation →
Q. Name proteases released from a natural killer cell that enter the cytoplasm of a target cell, inducing apoptosis
Ans → granzymes
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. the energy required to break a particular bond by a homolytic process.
Ans → bond energy
Explanation →
Q. When a substance, called a solvent, is added to a suspension to reduce the concentration.
Ans → dilution
Explanation →
Q. Name the large group of antigens bound by antibodies; large enough to settle out of fluid suspension
Ans → immune complex
Explanation →
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. Technique in which antibody or antigen can be concentrated by passing fluids through porous membranes, and target molecules are captured as they pass
Ans → immunofiltration
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. The number of individuals with new infections of a particular disease in a given period of time is called
Ans → incidence
Explanation →
Q. Name the cells that can assists in the organization of neurons, provides a scaffold for some aspects of neuron function, and aids in recovery from neural injury
Ans → glial cell
Explanation →
Q. When a reaction provides the agents for a subsequent reaction.
Ans → chain reaction
Explanation →
Q. An Obstacle such as coating or embedding, which acts as a factor controlling the rate of drug release.
Ans → diffusion barrier
Explanation →
Q. The third stage of acute disease, during which the number of pathogens present in the host is greatest and the signs and symptoms of disease are most severe
Ans → period of illness
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. A staining technique in which labeled antibodies are bound to specific cells in a tissue section
Ans → immunohistochemistry (IHC)
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. Cytokines largely produced by immune system cells that help coordinate efforts against invading pathogens
Ans → interleukins
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. The oxidation of ferrous (Fe2+) iron to ferric (Fe3+) iron in hemoglobin results in the formation of a compound namely
Ans → Methemoglobin
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. A staining technique in which cells are fixed and holes dissolved in the membrane to allow passage of labeled antibodies to bind specific intracellular targets
Ans → immunocytochemistry (ICC)
Explanation →
Q. Name the compound that is increased in RBC of anemic patients to facilitate the supply of O2 to the tissues
Ans → 2,3-Bisphosphoglycerate
Explanation →
Q. A host in which a parasite goes through some stages of its life cycle before migrating to the definitive host
Ans → intermediate host
Explanation →
Q. All those organisms which require air i.e. molecular oxygen for survival, metabolism and growth
Ans → Aerobes
Explanation →
Q. Name the process producing only lactic acid as a fermentation product
Ans → homolactic fermentation
Explanation →
Q. A lymphoid cells that recognize and destroy abnormal target cells by inducing apoptosis
Ans → natural killer cells (NK cells)
Explanation →
Q. Process of agglomeration that converts fine powders or granules of bulk drugs and excipients into small, free-flowing, spherical, or semi-spherical units, referred to as pellets.
Ans → pelletization
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. Some atoms can share two pairs of electrons to form a double bond (two covalent bonds).
Ans → double bond
Explanation →
Q. Leukocytes found in the peripheral blood that are characterized by numerous granules
Ans → granulocytes
Explanation →