Description : Many living organisms exhibit the unique property of producing visible light. The compound that is oxidized with subsequent light emission is usually referred to as luciferin. What is the enzyme which catalyzes the reaction known as?
Last Answer : ANSWER: Luciferase
Description : Reconstitution of the epithelial barrier (epithelialization) begins within hours of the initial injury. Which of the following statement(s) is/are true concerning the process of epithelialization? a. ... d. Visible scarring can occur only when the injury extends deeper than the superficial dermis
Last Answer : Answer: a, d The initial step of epithelialization involves epithelial cells from the basal layer of the wound edge flattening and migrating across the wound, completing wound coverage within 24- ... abrasions and burns may scar significantly. Whenever the dermis is incised, a scar will form
Description : Varieties of vegetables such as cabbage, broccoli and cauliflower have been produced from a wild cabbage species. Such process of producing new varieties of living organisms is called (1) Natural selection (2) Artificial selection (3) Speciation (4) Genetic drift.
Last Answer : (2) Artificial selection
Description : What term, in natural sciences, is used to describe a relationship between two living organisms where one benefits and the other is not significantly harmed or helped? It derives from the Latin for ‘sharing a table’?
Last Answer : Commensalism.
Description : Explain the statement 'Tissues exhibit division of labour'. Give examples. OR Q: What is the utility of tissues in multicellular organisms?
Last Answer : In multicellular organisms there are millions of cells. Each specialised function is taken up by a different group of cells called tissue. Or Group of cells, forming a tissue are capable of ... water from one part of the plant to other parts. So, multicellular organisms show division of labour
Description : Which one of the following is not an organizational property common to all living organisms? a. Genetic organization b. Metabolic organization c. Compartmentation d. A cell nucleus
Last Answer : d. A cell nucleus
Description : Which basic property determines a colored light's placement on the spectrum of visible light?
Last Answer : Most of the spectrum charts that I have seen are listed inwavelengths, particularly nanometers (nm). Where 1 nm = 1x10^-9m.
Description : Which of the following HPLC detectors is used as a bulk property or general purpose detector? A. Electrochemical detector B. Fluorescence detector C. UV-Visible detector D. Evaporative Light scattering detector
Last Answer : D. Evaporative Light scattering detector
Description : Which one of the following statements is correct? (a) Benign tumours show the property of metastasis. (b) Heroin accelerates body functions. (c) Malignant tumours may exhibit metastasis. (d) Patients who have undergone surgery are given cannabinoids to relieve pain.
Last Answer : (c) Malignant tumours may exhibit metastasis
Last Answer : The magnetic materials exhibit the property of magnetisation because of spin of nucleus.
Description : Which of the following statements is not true when describing a successful strategy? a) It provides some property that is unique or distinctive b) It provides the means for renewing competitive advantage c) It addresses changes in the external environment d) It guarantees long term survival
Last Answer : It guarantees long term survival
Description : Which of the following statements is not true when describing a successful strategy? A. It provides some property that is unique or distinctive B. It provides the means for renewing competitive advantage C. It addresses changes in the external environment D. It guarantees long term survival
Last Answer : It provides the means for renewing competitive advantage
Description : State some examples of metaphors used to describe the physical and human phenomena. -Geography
Last Answer : Some examples of metaphors used to describe the physical and human phenomena are as follows: Face' of the earth. Eye' of the storm. Regions, villages, towns have been described as organisms'. Networks of ... river. Snout' (nose) of the glacier. Neck' of the isthmus. Profile' of the soil.
Description : As an individual fires a shotgun, a recoil will be experienced. Which of Newton's laws would best describe this phenomena?
Last Answer : ANSWER: NEWTON'S THIRD LAW
Description : What is A organism's appearance's or other visible characteristics?
Last Answer : What is the answer ?
Description : Is there a technical term for this phenomena? (See details).
Last Answer : “Drifting snow” comes to mind. May also be driven, as in “pure as the driven snow.”
Description : In education the term 'Gang' represents adolescents Options: A) Anti-social group B) Secondary or territory marginal groups C) Male group only D) Social phenomena
Last Answer : D) Social phenomena
Description : Which phenomena shows the particle nature of light? (1) Diffraction (2) Interference (3) Photoelectric effect (4) Polarisation
Last Answer : (3) Photoelectric effect Explanation: The phenomena such as interference, diffraction, and polarization can only be explained when light is treated as a wave whereas photoelectric effect, line spectra, and the production and scattering of x rays demonstrate the particle nature of light.
Description : Which phenomena can not be attributed to the refraction of light?
Last Answer : Redshift
Description : Which of the following phenomena of light are involved in the formation of a rainbow? (a) Reflection, refraction and dispersion (b) Refraction, dispersion and total internal reflection (c) Refraction, dispersion and internal reflection (d) Dispersion, scattering and total internal reflection
Last Answer : (b) Refraction, dispersion and total internal reflection
Description : A far-sighted person, without optical correction, is typically able to see nearby objects more clearly in bright light. The reason for this phenomena is: w) bright light provides better ... bright light causes squinting which flattens the eyeball which tends to correct the far-sighted condition.
Last Answer : ANSWER: X -- THE PUPIL OF THE EYE NARROWS WHICH INCREASES THE DEPTH OF FOCUS
Description : Which of the following phenomena suggest that light may be a transverse wave? w) reflection x) polarization y) photoelectric effect z) diffraction
Last Answer : ANSWER: X -- POLARIZATION
Description : Deforestation kills many organisms that produce oxygen. What oxygen-producing organisms would remain if all the forests were destroyed?
Last Answer : plankton
Description : Select the drug which is active against a variety of diarrhoea producing organisms like Giardia, Shigella, Salmonella as well as S. typhi and Trichomonas vaginalis, but is not a first line treatment for any of these: A. Metronidazole B. Mepacrine C. Cotrimoxazole D. Furazolidone
Last Answer : D. Furazolidone
Description : Amoxicillin + Clavulanic acid is active against the following organisms except: A. Methicillin resistant Staph. aureus B. Penicillinase producing Staph. aureus C. Penicillinase producing N.gonorrhoeae D. β-lactamase producing E.coli
Last Answer : A. Methicillin resistant Staph. aureus
Description : The term antibiotic was coined by _________to refer to antimicrobial substances naturally derived from _______. a. Waksman; bacteria and fungi b. Domagk; other living organisms c. Fleming; fungi and bacteria d. Ehrlich; bacteria
Last Answer : c. Fleming; fungi and bacteria
Description : $ All of the living organisms utilize light energy for their metabolism ! Positive metabolism is called catabolism
Last Answer : $ All of the living organisms utilize light energy for their metabolism ! Positive metabolism is called catabolism ... D. If both As and R are wrong.
Description : In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea? (a) Archaea ... respects. (d) Archaea have some novel features that are absent in other prokaryotes and eukaryotes.
Last Answer : (d) Archaea have some novel features that are absent in other prokaryotes and eukaryote
Description : Which of the following statements regarding hypercalcemia are true? A. The symptoms of hypercalcemia may mimic some symptoms of hyperglycemia. B. Metastatic breast cancer is an unusual cause of ... fluid volume deficit. E. Urinary calcium excretion may be increased by vigorous volume repletion.
Last Answer : Answer: ADE DISCUSSION: Markedly elevated serum calcium levels produce polydipsia, polyuria, and thirst. Vigorous volume repletion and saline diuresis correct the extracellular fluid volume ... , from bony metastasis. The calcitonin effect on calcium is diminished with repeat administrations
Description : Which of the following is an example of bulk property or general detector in HPLC A. Fluorescence detector B. Refractive index detector C. Electrochemical detector D. UV-Visible detector
Last Answer : Refractive index detector
Description : A major difference between light cured and chemical cured composite is that during setting or in function the light cured material tends to:******** VERY IMP A. Seal the margins better and ... on time C. Undergo greater colour change D. Shrink more rapidly E. Posses greater fracture toughness
Last Answer : D. Shrink more rapidly
Description : In the Tyndall Effect, the intensity of scattered radiation is inversely proportional to the fourth power of the wavelength. Which one of the following colors of light would exhibit the most intense Tyndall scattering? w) yellow x) green y) orange z) violet
Last Answer : ANSWER: Z -- VIOLET
Description : what is the term used to describe organisms that cause diseases . example bacteria?
Last Answer : Rickettsia
Description : What term is used to describe organisms that pass the same form a trait over many generations?
Last Answer : True breeding is used to describe organisms that pass the sameform of a trait over many generations. True breeding is the term isused to describe organisms that pass the same form of a trait overmany generations.
Description : What term used to describe organisms that cause diseases?
Last Answer : Pathogens
Description : What term is used to describe organisms composed of identical and?
Last Answer : Need answer
Description : What term. Is used to describe how well an organisms function in its environment?
Last Answer : Fitness
Description : Which term is used to describe organisms which live on or in the bottom of an ocean or lake. Such organisms can be found anywhere from the shoreline to the greatest ocean depths? a) biota b) benthos c) nekton d) plankton
Last Answer : ANSWER: B -- BENTHOS
Description : .Angiosperms have dominated the land flora primarily because of their (a) power of adaptability in diverse habitat (b) property of producing large number of seeds (c) nature of self pollination (d) domestication by man
Last Answer : (a) power of adaptability in diverse habitat
Description : Choose the correct statement about nonopioid analgesics: A. All have antiinflammatory property B. All lack dependence producing liability C. All act exclusively at peripheral pain mechanisms D. All inhibit prostaglandin synthesis
Last Answer : B. All lack dependence producing liability
Description : The following numbers share a unique property: 1961 6088 6119 8118 6699 6009. What is it? -Riddles
Last Answer : Each number reads the same when viewed upside down.
Description : The property to flow is unique to fluids. Which one of the following statements is correct ? -Maths 9th
Last Answer : NEED ANSWER
Last Answer : (c) Gases and liquids behave like fluids. Both gases and liquids tend to flow due to less force of attraction between their particles. Also, they require vessel to keep them. Solids do not flow.
Description : Why the density of a substance is considered to be a unique property of matter?
Last Answer : Each substance has a specific density.
Description : Nucleic acids are unique among the biopolymers in that they contain phosphate. How has this property been exploited experimentally in studies of protein synthesis?
Last Answer : The use of 32P (radioactive) to label DNA and RNA for Southern and northern blotting was a major technical advance. One of the earliest exploitations of the unique phosphorus content of nucleic ... machinery to direct the synthesis of many copies of the virus, eventually leading to host cell.
Description : Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x ... sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator
Last Answer : ANSWER: Y -- THE MELTING POINT DECREASES WITH INCREASING PRESSURE
Description : Living cells have the unique ability to synthesize only _________ the form of optical isomer due to _________. (A) ‘d’ form, stereospecific enzymes (B) ‘l’ form stereospecific enzymes (C) ‘d’ form, DNA (D) ‘L’ form, DNA
Last Answer : Answer : B
Description : Are there any phenomena that we observe today that are as magical as a nuclear explosion, but are not readily understood?
Last Answer : There are quite a few animal behaviors that happen all the time that most people either don't realize there is no materialist explanation for, or don't know about them. The ... multi-generational butterfly navigation patterns. Pointing this out tends you provoke irrational skeptic attacks, however.
Description : Have we developed a world-wide culture of anti-intellectualism or is it more of an American phenomena?
Last Answer : answer:It is the vestige of Marx's notion of the proletariat/bourgeoisie class struggle, and it is all over the Western liberal democracies. There are still people who imagine that in emulating the bourgeoisie ... and you have what you describe. Could this be the beginning of the second Dark Ages?
Description : What are some natural phenomena that occur on earth?
Last Answer : Caño Cristales River, Colombia