Description : Which is not an essential part of a two-component phosphorelay system? A.Response regulator B.Sensor kinase C.Autoinducer D.None of these
Last Answer : C.Autoinducer
Description : A quorum sensing system A- .detects a signal from the external environment B- B.senses a compound produced by the bacterium itself C- consists of a sensor component that phosphorylates a regulatory protein D- .controls the activity of ribosomes directly
Last Answer : B.senses a compound produced by the bacterium itself
Description : The _____ class of antibodies is the principal component of a secondary antibody response. a. IgM b. IgD c. IgG d. IgE
Last Answer : c. IgG
Description : The best understood intracellular messenger is cyclic AMP (cAMP). Which of the following statement(s) concerning this intracellular messenger is/are correct? a. Intracellular cyclic AMP is constantly ... of adenylate cyclase d. cAMP is the only cyclic nucleotide active as an intracellular messenger
Last Answer : Answer: a, b The prototypic intracellular messenger is cAMP. To function as a mediator, the concentration of cAMP must change rapidly. In resting cells, cAMP is continuously being degraded by ... produce cGMP. Intracellular calcium ions also serve as second messengers in a large number of cells
Description : An essential element of all allergy reactions is the a. Release of interferons from tissue cells. b. Accumulation of ige on the surfaces of mast cells and basophils. c. Passage of igg from the immune system to local tissue cells. d. Elimination of all traces of plasma cells from the body.
Last Answer : b. Accumulation of ige on the surfaces of mast cells and basophils.
Description : Which one of the following statements is NOT true of innate immunity? a. It is an early-warning system against pathogens. b. It is a form of immunity found only in vertebrates. c. It is a nonspecific response. d. It responds within minutes to many infections.
Last Answer : b. It is a form of immunity found only in vertebrates.
Description : The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do (i), (ii) and (iii) represent respectively? (i) (ii) (iii ... b) Regulator Partial Conformer regulator (c) Partial Regulator Conformer regulator (d) Regulator Conformer Partial regulator
Last Answer : (d) Regulator Conformer Partial regulator
Description : In the illustration, the component labeled 'EXC' is _______. EL-0003 A. a separate class II regulated DC generator for critical direct current loads B. a generator feeding the FLD ... to drive the governor for turbogenerator speed. D. the electronic driver for the switchboard metering circuits
Last Answer : Answer: B
Description : is not component of seed drill. a) Pressure regulator b) Frame c) Seed box d) Transport wheel
Last Answer : Pressure regulator
Description : In an electron tube regulator, the electron tube replaces what component?
Last Answer : Variable resistor.
Description : Plasmids a. Replicate with the bacterial chromosome. b. Contain essential growth information. c. May contain antibiotic resistance genes. d. Are as large as the bacterial chromosome.
Last Answer : c. May contain antibiotic resistance genes.
Description : An ___________ solution which consists of solutes in water, is essential for chemical reactions to occur. a. hydrophobic b. aqueous c. covalent d. vitreous
Last Answer : b. aqueous
Description : The early response in asthma is due to activity. a. Cytotoxic T Cell b. Basophil c. TH2 Cell And NI( Cell d. Dendritic Cells
Last Answer : c. TH2 Cell And NI( Cell
Description : All forms of immunity depend on an exposure to antigens and a subsequent response by _____ cells. a. basophil b. neutrophil c. NK d. T
Last Answer : d. T
Description : Booster immunizations are used to raise the antibody level by stimulating the _____ cells to induce the secondary antibody response. a. helper T b. B c. memory d. plasma
Last Answer : c. memory
Description : ____ becomes activated to eliminate "nonself" cells, such as virus- infected cells or cancer cells. a. Humoral immune response b. Cell-mediated immune response c. Complement d. Inflammation
Last Answer : b. Cell-mediated immune response
Description : _____ is a nonspecific defensive response by the body to trauma. a. Phagocytosis b. Inflammation c. Abcess d. Respiratory burst
Last Answer : b. Inflammation
Description : Which one of the following statements about interferon is FALSE? a. Interferon is produced in response to a viral infection. b. Interferon is a naturally produced protein. c. Interferon puts uninfected cells in an antiviral state. d. Interferon is a protein that binds to RNA virus genomes.
Last Answer : d. Interferon is a protein that binds to RNA virus genomes.
Description : Negative phase is observed in A- secondary humoral response B- primary humoral response C- both (a) and (b) D- none of the above
Last Answer : secondary humoral response
Description : Which of the following is the component of machine that is responsible for controlling a mechanism system? A : Sensor B : Middleware C : Actuator D : Transducer
Last Answer : C : Actuator
Description : Cellulose is the major component of cell walls of (a) Pseudomonas (b) Saccharomyces (c) Pythium (d) Xanthomonas.
Last Answer : (c) Pythium
Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component
Last Answer : C.80S ribosomes are distributed in cytoplasm
Description : The gram-positive bacteria lack __________ structure/component? A.outer membrane B.murein C.teichoic acid D.plasma membrane
Last Answer : A.outer membrane
Description : In the reaction, C6H12O6 + 6O2 6CO2 + 6H2O + energy, which component is → being reduced? A- O2 B- CO2 C- .H2O D- Energy
Last Answer : O2
Description : Name the component of flagellum. A- Filament B- Hook C- Basal body D- All of these
Last Answer : All of these
Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component
Last Answer : 80S ribosomes are distributed in cytoplasm
Description : The glycerol for fatty acid esterification in adipocytes is (A) For the most part, derived from glucose (B) Obtained primarily from phosphorylation of glycerol by glycerol kinase (C) Formed from gluconeogenesis (D) Formed from glycogenolysis ENZYMES 153
Last Answer : Answer : A
Description : Which one of the following is NOT part of the lower respiratory system? a. Alveoli b. Pharynx c. Larynx d. Trachea
Last Answer : b. Pharynx
Description : Rod: a. contains a cilium with a "9+0" configuration. b. contains 11-trans-retinaldehyde essential for the absorption of photons c. sheds its outer segment during the day d. depolarize in response to flashes of light
Last Answer : contains a cilium with a "9+0" configuration.
Description : Which of the following would least quality as an essential aspect of the process of learning? Options: A) Adequate readiness B) Response to stimulation C) Insight into means-end relationship D) The reinforcement of response
Last Answer : C) Insight into means-end relationship
Description : When a muscle bends one part upon the other, it is called (a) abductor (b) regulator (c) extremor (d) flexor.
Last Answer : (d) flexor.
Description : Cobalt is essential component of (A) Vitamin B1 (B) Vitamin B6 (C) Vitamin B12 (D) All of these
Last Answer : Answer : C
Description : Which of the following statements regarding Vitamin A is true? (A) It is not an essential Vitamin (B) It is related to tocopherol (C) It is a component of rhodopsin (D) It is also known as Opsin
Description : Phosphorous is an essential component of a. Nucleotides b. Nucleic acids c. Phospholipids and Heichoic acids d. All the above
Last Answer : Ans: D
Description : Vitamin D is the essential component of the body
Last Answer : Ans: Vitamin D is necessary for body because it is essential for bone formation and retention of calcium in the human body. Vitamin D also protects the teeth.
Description : Vitamin D is the essential component of the Body.
Last Answer : Ans: Vitamin D is responsible for the absorption of calcium and phosphorus in the bones..
Description : Minerals that forms from original component of rock are called as a. Secondary mineral b. Primary mineral c. Essential mineral d. None of these
Last Answer : b. Primary mineral
Description : Nitrogen is an essential component of (A) Mineral salts (B) Carbohydrates (C) Fats (D) Proteins
Last Answer : (D) Proteins
Description : Which amongst the following is NOT an essential component of a blog Dashboard Blogpost Search Bar Slide Bar
Last Answer : Slide Bar
Description : Name the essential component of resources. What is its role in the resource transformation?
Last Answer : Human beings are the essential components of resources. Human beings interact with nature through technology and create institutions to accelerate economic development. They transform materials available in our environment into resources by using technology and use them.
Description : Which of the following measures is not an essential component of the management of moderately severe diabetic ketoacidosis: A. Insulin B. Intravenous fluids C. Potassium chloride D. Sodium bicarbonate
Last Answer : . Sodium bicarbonate
Description : What compound is a common component of air pollution, but is essential in the upper atmosphere to protect life on earth?
Last Answer : ANSWER: OZONE
Description : What component in an amplifier circuit tends to limit the low-frequency response of the amplifier?
Last Answer : The coupling capacitor (C3).
Description : ._________ cells are associated with immunity while_____________ cells are part of___________ immunity. a. B; cell-mediated; T; innate b. T; humoral; B; cellular c. T; cell-mediated; B; humoral d. T; humoral; B; nonspecific
Last Answer : c. T; cell-mediated; B; humoral
Description : Which of the following is NOT part of inflammation? a. Redness b. Pain c. Swelling d. Temperature e. Coughing
Last Answer : d. Temperature
Description : Which one of the following is NOT true of exotoxins? a. They are proteins. b. They are part of cell wall structure. c. They are released from live bacterial cells. d. They trigger antibody production.
Last Answer : d. They trigger antibody production.
Description : When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent
Last Answer : b. lysogeny
Description : Which one of the following is NOT part of the urinary tract? a. Urethra b. Bladder c. Kidneys d. Ureters
Last Answer : c. Kidneys
Description : What part or parts of the male and female reproductive systems are typically colonized by indigenous microbiota? a. Male: Ureters; Female: Vagina And Ovaries b. Male: Testes And Epididymis c. Male: ... : Vagina, Vulva, And Cervix d. Male: Bladder And Ureters; Female: Fallopian Tubes And Cervix
Last Answer : c. Male: Urethra; Female: Vagina, Vulva, And Cervix