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known as " algae " have unique organelles known as chloroplasts. chloroplasts are thought to be descended from cyanobacteria that formed endosymbiotic relationships with ancient plant and algal ancestors. chloroplasts and cyanobacteria contain the blue - green pigment chlorophyll a. chlorophyll a ( as well as ... | A) chloroplasts |
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be at most one morphism between any two objects. the existence of identity morphisms and the composability of the morphisms are guaranteed by the reflexivity and the transitivity of the preorder. by the same argument, any partially ordered set and any equivalence relation can be seen as a small category. any o... | A) flightlessness |
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the action potential is widely considered a purely electrical phenomenon. however, one also finds mechanical and thermal changes that can be observed experimentally. in particular, nerve membranes become thicker and axons contract. the spatial length of the action potential can be quite large, ranging from mil... | A) graded potentials |
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, crystal structure, hazards associated with minerals, and the physical and chemical properties of minerals. petrology is the study of rocks, including the formation and composition of rocks. petrography is a branch of petrology that studies the typology and classification of rocks. = = earth ' s interior = = ... | B) core |
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high quality thread. the power loom was invented by edmund cartwright in 1787. in the mid - 1750s, the steam engine was applied to the water power - constrained iron, copper and lead industries for powering blast bellows. these industries were located near the mines, some of which were using steam engines for ... | B) bituminous |
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is the electrostatic force of attraction between them. for example, sodium ( na ), a metal, loses one electron to become an na + cation while chlorine ( cl ), a non - metal, gains this electron to become clβ. the ions are held together due to electrostatic attraction, and that compound sodium chloride ( nacl )... | A) nonpolar lipid bilayer |
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kidneys and the majority of those currently in use are extracorporeal, such as with hemodialysis, which filters blood directly, or peritoneal dialysis, which filters via a fluid in the abdomen. in order to contribute to the biological functions of a kidney such as producing metabolic factors or hormones, some ... | D) kidney failure |
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in gravitational lensing, the concept of optical depth assumes the lens is dark. several microlensing detections have now been made where the lens may be bright. relations are developed between apparent and absolute optical depth in the regime of the apparent and absolute brightness of the lens. an apparent op... | D) myopia |
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in the year 1598 philipp uffenbach published a printed diptych sundial, which is a forerunner of franz ritters horizantal sundial. uffenbach ' s sundial contains apart from the usual information on a sundial ascending signs of the zodiac, several brigthest stars, an almucantar and most important the oldest gno... | D) the core |
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the value of excess charge in the kernel of massive body ( and the opposite in sign excess charge at the surface ) caused by the influence of gravitational forces is determined.
the nervous system. these kinds of tests can be divided into recordings of : ( 1 ) spontaneous or continuously running electrical act... | C) electroscope |
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time - dependent distribution of the global extinction of megafauna is compared with the growth of human population. there is no correlation between the two processes. furthermore, the size of human population and its growth rate were far too small to have any significant impact on the environment and on the l... | A) mass extinction |
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river - beds ), but not for where there may be large obstructions in the ground. an open caisson that is used in soft grounds or high water tables, where open trench excavations are impractical, can also be used to install deep manholes, pump stations and reception / launch pits for microtunnelling, pipe jacki... | C) pollen |
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i suggest that the main process that amplifies magnetic fields in cooling flows in clusters and group of galaxies is a jet - driven dynamo ( jedd ). the main processes that are behind the jedd is the turbulence that is formed by the many vortices formed in the inflation processes of bubbles, and the large scal... | C) hydrogren |
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angles. stealth aircraft such as the f - 117 use a different arrangement, tilting the tail surfaces to reduce corner reflections formed between them. a more radical method is to omit the tail, as in the b - 2 spirit. the b - 2 ' s clean, low - drag flying wing configuration gives it exceptional range and reduc... | B) body mass |
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is the genus, and columbianum the specific epithet. the combination is the name of the species. when writing the scientific name of an organism, it is proper to capitalise the first letter in the genus and put all of the specific epithet in lowercase. additionally, the entire term is ordinarily italicised ( or... | C) phylogenetic tree |
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has rest mass and volume ( it takes up space ) and is made up of particles. the particles that make up matter have rest mass as well β not all particles have rest mass, such as the photon. matter can be a pure chemical substance or a mixture of substances. = = = = atom = = = = the atom is the basic unit of che... | C) potential |
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are commonly referred to as " cross - hatching ". phantom β ( not shown ) are alternately long - and double short - dashed thin lines used to represent a feature or component that is not part of the specified part or assembly. e. g. billet ends that may be used for testing, or the machined product that is the ... | C) polygenic traits |
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blood vessels. mechanical stimuli, such as pressure pulses seem to be beneficial to all kind of cardiovascular tissue such as heart valves, blood vessels or pericardium. = = = bioreactors = = = in tissue engineering, a bioreactor is a device that attempts to simulate a physiological environment in order to pro... | A) cardiovascular system |
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classes according to pore size : the form and shape of the membrane pores are highly dependent on the manufacturing process and are often difficult to specify. therefore, for characterization, test filtrations are carried out and the pore diameter refers to the diameter of the smallest particles which could no... | B) material |
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doing research is fighting, what any other thing the human being could do? fight against powers or to get powers, that depends on us. science can be a revolution or deadlocked idleness. still waters, without hitting the stones along their history, trend to form bogs.
biotechnology is a multidisciplinary field ... | B) applied science |
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weather than in the winter months, so that the rivers fall to their low stage in the summer and are liable to be in flood in the winter. in fact, with a temperate climate, the year may be divided into a warm and a cold season, extending from may to october and from november to april in the northern hemisphere ... | C) mechanical weathering |
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cross. the chromosome theory of inheritance, which states that genes are found on chromosomes, was supported by thomas morgans ' s experiments with fruit flies, which established the sex linkage between eye color and sex in these insects. = = = genes and dna = = = a gene is a unit of heredity that corresponds ... | D) 23 |
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the most abundant molecule in every organism. water is important to life because it is an effective solvent, capable of dissolving solutes such as sodium and chloride ions or other small molecules to form an aqueous solution. once dissolved in water, these solutes are more likely to come in contact with one an... | D) water |
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in mathematics, a reflection ( also spelled reflexion ) is a mapping from a euclidean space to itself that is an isometry with a hyperplane as the set of fixed points ; this set is called the axis ( in dimension 2 ) or plane ( in dimension 3 ) of reflection. the image of a figure by a reflection is its mirror ... | C) gets diffused |
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molecular diffusion processes give rise to significant changes in the primary microstructural features. this includes the gradual elimination of porosity, which is typically accompanied by a net shrinkage and overall densification of the component. thus, the pores in the object may close up, resulting in a den... | D) temperature |
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consume organic material, breathe oxygen, are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development. over 1. 5 million living animal species have been described β of which around 1 million are insects β but it has been estimated there are over ... | B) separate sexes |
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the internal functions and processes within plant organelles, cells, tissues, whole plants, plant populations and plant communities. at each of these levels, a botanist may be concerned with the classification ( taxonomy ), phylogeny and evolution, structure ( anatomy and morphology ), or function ( physiology... | D) movement |
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the material collides and break up. compression mills include the jaw crusher, roller crusher and cone crusher. impact mills include the ball mill, which has media that tumble and fracture the material, or the resonantacoustic mixer. shaft impactors cause particle - to particle attrition and compression. batch... | A) fluid |
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also known as the gradient or slope. when two rivers of different sizes have the same fall, the larger river has the quicker flow, as its retardation by friction against its bed and banks is less in proportion to its volume than is the case with the smaller river. the fall available in a section of a river app... | D) diffusion |
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unspecialised cells ) that can grow into a new plant. in vascular plants, the xylem and phloem are the conductive tissues that transport resources between shoots and roots. roots are often adapted to store food such as sugars or starch, as in sugar beets and carrots. stems mainly provide support to the leaves ... | A) grow taller |
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have evolved from the earliest emergence of life to present day. earth formed about 4. 5 billion years ago and all life on earth, both living and extinct, descended from a last universal common ancestor that lived about 3. 5 billion years ago. geologists have developed a geologic time scale that divides the hi... | A) prokaryotes |
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##ctonics, mountain ranges, volcanoes, and earthquakes are geological phenomena that can be explained in terms of physical and chemical processes in the earth ' s crust. beneath the earth ' s crust lies the mantle which is heated by the radioactive decay of heavy elements. the mantle is not quite solid and con... | D) the hot core |
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usability engineering, it ' s important target and identify human errors when interacting with the product of interest because if a user is expected to engage with a product, interface, or service in some way, the very introduction of a human in that engagement increases the potential of encountering human err... | C) false negative |
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the manufacturer. one common distinction is by nominal pore size. it describes the maximum pore size distribution and gives only vague information about the retention capacity of a membrane. the exclusion limit or " cut - off " of the membrane is usually specified in the form of nmwc ( nominal molecular weight... | B) molar mass |
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the surface of the membrane, retentate is removed from the same side further downstream, whereas the permeate flow is tracked on the other side. in dead - end filtration, the direction of the fluid flow is normal to the membrane surface. both flow geometries offer some advantages and disadvantages. generally, ... | D) exocytosis |
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it is stronger, then demodulates it, extracting the original modulation signal from the modulated carrier wave. the modulation signal is converted by a transducer back to a human - usable form : an audio signal is converted to sound waves by a loudspeaker or earphones, a video signal is converted to images by ... | D) gene flow |
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it is also possible to define analogs in two - dimensional systems, which has received attention for its relevance to systems in biology. = = = bonding = = = atoms sticking together in molecules or crystals are said to be bonded with one another. a chemical bond may be visualized as the multipole balance betwe... | B) ionic bonds |
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and still use the same basic biological methods. in brewing, malted grains ( containing enzymes ) convert starch from grains into sugar and then adding specific yeasts to produce beer. in this process, carbohydrates in the grains broke down into alcohols, such as ethanol. later, other cultures produced the pro... | C) mammary tissue |
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; austrian experts have established that the wheel is between 5, 100 and 5, 350 years old. the invention of the wheel revolutionized trade and war. it did not take long to discover that wheeled wagons could be used to carry heavy loads. the ancient sumerians used a potter ' s wheel and may have invented it. a ... | C) ideal mechanical advantage |
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slow, controlled release of energy from the series of reactions. sugar in the form of glucose is the main nutrient used by animal and plant cells in respiration. cellular respiration involving oxygen is called aerobic respiration, which has four stages : glycolysis, citric acid cycle ( or krebs cycle ), electr... | A) glycolysis |
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and reduces its radar profile. the flying wing design most closely resembles a so - called infinite flat plate ( as vertical control surfaces dramatically increase rcs ), the perfect stealth shape, as it would have no angles to reflect back radar waves. in addition to altering the tail, stealth design must bur... | A) predators |
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of measuring methods. x - rays and gamma rays are used in industrial radiography to make images of the inside of solid products, as a means of nondestructive testing and inspection. the piece to be radiographed is placed between the source and a photographic film in a cassette. after a certain exposure time, t... | B) estimation |
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##ta together form the monophyletic group or clade streptophytina. nonvascular land plants are embryophytes that lack the vascular tissues xylem and phloem. they include mosses, liverworts and hornworts. pteridophytic vascular plants with true xylem and phloem that reproduced by spores germinating into free - ... | B) to protect them as they are vulnerable to predators |
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ability of cells to receive, process, and transmit signals with its environment and with itself. signals can be non - chemical such as light, electrical impulses, and heat, or chemical signals ( or ligands ) that interact with receptors, which can be found embedded in the cell membrane of another cell or locat... | C) nerve cells |
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be the more significant to modern soil theory than fallou ' s. previously, soil had been considered a product of chemical transformations of rocks, a dead substrate from which plants derive nutritious elements. soil and bedrock were in fact equated. dokuchaev considers the soil as a natural body having its own... | C) running water |
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energy they need to exist. plants, algae and cyanobacteria are the major groups of organisms that carry out photosynthesis, a process that uses the energy of sunlight to convert water and carbon dioxide into sugars that can be used both as a source of chemical energy and of organic molecules that are used in t... | D) fungi |
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is the scientific study of inheritance. mendelian inheritance, specifically, is the process by which genes and traits are passed on from parents to offspring. it has several principles. the first is that genetic characteristics, alleles, are discrete and have alternate forms ( e. g., purple vs. white or tall v... | D) generations |
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electrons to drive the synthesis of glucose by fixing atmospheric carbon dioxide into existing organic carbon compounds, such as ribulose bisphosphate ( rubp ) in a sequence of light - independent ( or dark ) reactions called the calvin cycle. = = = cell signaling = = = cell signaling ( or communication ) is t... | B) muscle contractions |
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in isotope dating states : there are only three quite technical instances where a half - life changes, and these do not affect the dating methods : " only one technical exception occurs under terrestrial conditions, and this is not for an isotope used for dating.... the artificially - produced isotope, berylli... | D) in the nucleus |
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3 - carbon sugar glyceraldehyde 3 - phosphate ( g3p ). glyceraldehyde 3 - phosphate is the first product of photosynthesis and the raw material from which glucose and almost all other organic molecules of biological origin are synthesised. some of the glucose is converted to starch which is stored in the chlor... | A) cellulose |
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, fungi ( mycology ) β including lichen - forming fungi ( lichenology ), non - chlorophyte algae ( phycology ), and viruses ( virology ). however, attention is still given to these groups by botanists, and fungi ( including lichens ) and photosynthetic protists are usually covered in introductory botany course... | C) spores |
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activation of g protein - coupled receptors can initiate second messenger cascades. the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events is called signal transduction. = = = cell cycle = = = the cell cycle is a series of events that take place in a ce... | B) science |
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doing research is fighting, what any other thing the human being could do? fight against powers or to get powers, that depends on us. science can be a revolution or deadlocked idleness. still waters, without hitting the stones along their history, trend to form bogs.
; austrian experts have established that th... | C) europe |
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charges in the nuclei and the negative charges oscillating about them. more than simple attraction and repulsion, the energies and distributions characterize the availability of an electron to bond to another atom. the chemical bond can be a covalent bond, an ionic bond, a hydrogen bond or just because of van ... | D) ions |
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the myth that the expansion of the universe was discovered by hubble was first propagated by humason ( 1931 ). the true nature of this discovery turns out to have been both more complex and more interesting.
one of the greatest discoveries of modern times is that of the expanding universe, almost invariably at... | B) big bang |
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blood vessels. mechanical stimuli, such as pressure pulses seem to be beneficial to all kind of cardiovascular tissue such as heart valves, blood vessels or pericardium. = = = bioreactors = = = in tissue engineering, a bioreactor is a device that attempts to simulate a physiological environment in order to pro... | B) hydrostatic |
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variation in total solar irradiance is thought to have little effect on the earth ' s surface temperature because of the thermal time constant - - the characteristic response time of the earth ' s global surface temperature to changes in forcing. this time constant is large enough to smooth annual variations b... | B) gravity |
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there are no limits for the speeds of light and particles in general relativity ( gr ). four examples illustrate this basic result, which is too often neglected.
cobalt nanowires with a diameter in the range between 50 to 100nm can be prepared as single - crystal wires with the easy axis ( the c - axis ) perpe... | D) time |
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oxygen, carbon dioxide, and water to pass through while restricting the movement of larger molecules and charged particles such as ions. cell membranes also contain membrane proteins, including integral membrane proteins that go across the membrane serving as membrane transporters, and peripheral proteins that... | B) catalytic |
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the clinical symptoms of pulmonary embolism ( pe ) are very diverse and non - specific, which makes it difficult to diagnose. in addition, pulmonary embolism has multiple triggers and is one of the major causes of vascular death. therefore, if it can be detected and treated quickly, it can significantly reduce... | A) a heart attack or stroke |
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carried out correctly, with dimensions and angles being extremely accurate. some single crystal materials, such as silicon, will have different etching rates depending on the crystallographic orientation of the substrate. this is known as anisotropic etching and one of the most common examples is the etching o... | A) adrenal medulla |
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is the scientific study of inheritance. mendelian inheritance, specifically, is the process by which genes and traits are passed on from parents to offspring. it has several principles. the first is that genetic characteristics, alleles, are discrete and have alternate forms ( e. g., purple vs. white or tall v... | B) two or more |
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the origin of the martian moons deimos and phobos is controversial. one hypothesis for their origin is that they are captured asteroids, but the mechanism requires an extremely dense martian atmosphere, and the mechanism by which an asteroid in solar orbit could shed sufficient orbital energy to be captured in... | D) spring tides |
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is the scientific study of inheritance. mendelian inheritance, specifically, is the process by which genes and traits are passed on from parents to offspring. it has several principles. the first is that genetic characteristics, alleles, are discrete and have alternate forms ( e. g., purple vs. white or tall v... | A) recessive |
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the paper has been withdrawn by the author since the protocol is not new. it is just the oldest version of bb84.
this paper has been withdrawn by the authors until some changes are made.
and nucleotides. carbohydrates include monomers and polymers of sugars. lipids are the only class of macromolecules that are... | B) enzymatic hydrolysis |
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by assuming that the kinetic energy, potential energy, momentum, and some other physical quantities of a particle exist in the field out of the particle, the schrodinger equation is an equation describing field of a particle, but not the particle itself.
energy is no doubt an intuitive concept. following a pre... | D) potential energy |
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the union of space telescopes and interstellar spaceships guarantees that if extraterrestrial civilizations were common, someone would have come here long ago.
carbon chains are sometimes considered as possible carriers of some diffuse interstellar bands. spectroscopic observations in uv band carried by spectr... | B) thinly spread gas and dust |
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his sickle to one location. ( he realized it was a sickle by testing various blades on an animal carcass and comparing the wounds. ) flies, attracted by the smell of blood, eventually gathered on a single sickle. in light of this, the owner of that sickle confessed to the murder. the book also described how to... | B) circulatory system |
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classes according to pore size : the form and shape of the membrane pores are highly dependent on the manufacturing process and are often difficult to specify. therefore, for characterization, test filtrations are carried out and the pore diameter refers to the diameter of the smallest particles which could no... | D) glans penis |
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mwco, molecular weight cut off, with units in dalton ). it is defined as the minimum molecular weight of a globular molecule that is retained to 90 % by the membrane. the cut - off, depending on the method, can by converted to so - called d90, which is then expressed in a metric unit. in practice the mwco of t... | D) center of gravity |
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= = = = = = environmental remediation = = = environmental remediation is the process through which contaminants or pollutants in soil, water and other media are removed to improve environmental quality. the main focus is the reduction of hazardous substances within the environment. some of the areas involved i... | B) one |
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thesis submitted for the degree of phd, queens university belfast, uk
pathogens in agriculture and natural ecosystems. ethnobotany is the study of the relationships between plants and people. when applied to the investigation of historical plant β people relationships ethnobotany may be referred to as archaeob... | B) milkweeds |
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, crystal structure, hazards associated with minerals, and the physical and chemical properties of minerals. petrology is the study of rocks, including the formation and composition of rocks. petrography is a branch of petrology that studies the typology and classification of rocks. = = earth ' s interior = = ... | B) magnetic field |
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. long - term memory allows us to store information over prolonged periods ( days, weeks, years ). we do not yet know the practical limit of long - term memory capacity. short - term memory allows us to store information over short time scales ( seconds or minutes ). memory is also often grouped into declarati... | D) residence time |
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their mechanical properties. = = tissue culture = = in many cases, creation of functional tissues and biological structures in vitro requires extensive culturing to promote survival, growth and inducement of functionality. in general, the basic requirements of cells must be maintained in culture, which include... | D) semipermeable membranes |
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diploid embryo sporophyte within its tissues for at least part of its life, even in the seed plants, where the gametophyte itself is nurtured by its parent sporophyte. other groups of organisms that were previously studied by botanists include bacteria ( now studied in bacteriology ), fungi ( mycology ) β incl... | D) after the pollen tube |
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and measuring radiation levels. the surveyor program conducted uncrewed lunar landings and takeoffs, as well as taking surface and regolith observations. despite the setback caused by the apollo 1 fire, which killed three astronauts, the program proceeded. apollo 8 was the first crewed spacecraft to leave low ... | D) two |
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##ning an animal for its hide, and even forming other tools out of softer materials such as bone and wood. the earliest stone tools were irrelevant, being little more than a fractured rock. in the acheulian era, beginning approximately 1. 65 million years ago, methods of working these stones into specific shap... | A) eyeglass makers |
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building block. ceramics β not to be confused with raw, unfired clay β are usually seen in crystalline form. the vast majority of commercial glasses contain a metal oxide fused with silica. at the high temperatures used to prepare glass, the material is a viscous liquid which solidifies into a disordered state... | D) melting point |
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has rest mass and volume ( it takes up space ) and is made up of particles. the particles that make up matter have rest mass as well β not all particles have rest mass, such as the photon. matter can be a pure chemical substance or a mixture of substances. = = = = atom = = = = the atom is the basic unit of che... | D) nucleus |
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the relations among the components of the exit momenta of ultrarelativistic electrons scattered on a strong electromagnetic wave of a low ( optical ) frequency and linear polarization are established using the exact solutions to the equations of motion with radiation reaction included ( the landau - lifshitz e... | D) torques |
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the nervous system. these kinds of tests can be divided into recordings of : ( 1 ) spontaneous or continuously running electrical activity, or ( 2 ) stimulus evoked responses. subspecialties include electroencephalography, electromyography, evoked potential, nerve conduction study and polysomnography. sometime... | D) nerves |
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has rest mass and volume ( it takes up space ) and is made up of particles. the particles that make up matter have rest mass as well β not all particles have rest mass, such as the photon. matter can be a pure chemical substance or a mixture of substances. = = = = atom = = = = the atom is the basic unit of che... | A) electric field |
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a state of semi - perpetual convection. this convection process causes the lithospheric plates to move, albeit slowly. the resulting process is known as plate tectonics. areas of the crust where new crust is created are called divergent boundaries, those where it is brought back into the earth are convergent b... | B) buoyant |
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applications, where neither weight nor corrosion are a major concern. cast irons, including ductile iron, are also part of the iron - carbon system. iron - manganese - chromium alloys ( hadfield - type steels ) are also used in non - magnetic applications such as directional drilling. other engineering metals ... | C) ferromagnetic materials |
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substrate - level phosphorylation, which does not require oxygen. = = = photosynthesis = = = photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organism ' s metabolic activities via cellular respiration. this chemic... | C) chemical reactions |
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kingdom ; phylum ( or division ) ; class ; order ; family ; genus ( plural genera ) ; species. the scientific name of a plant represents its genus and its species within the genus, resulting in a single worldwide name for each organism. for example, the tiger lily is lilium columbianum. lilium is the genus, an... | A) cnidaria |
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it is stronger, then demodulates it, extracting the original modulation signal from the modulated carrier wave. the modulation signal is converted by a transducer back to a human - usable form : an audio signal is converted to sound waves by a loudspeaker or earphones, a video signal is converted to images by ... | B) larynx |
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a letter to the editor shortly summing up ten or so years of research into the h - index.
their mechanical properties. = = tissue culture = = in many cases, creation of functional tissues and biological structures in vitro requires extensive culturing to promote survival, growth and inducement of functionality... | D) positive feedback loops |
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bear ' ) was conspicuous on radar. it is now known that propellers and jet turbine blades produce a bright radar image ; the bear has four pairs of large 18 - foot ( 5. 6 m ) diameter contra - rotating propellers. another important factor is internal construction. some stealth aircraft have skin that is radar ... | B) pollen |
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##lling, pipe jacking and other operations. a caisson is sunk by self - weight, concrete or water ballast placed on top, or by hydraulic jacks. the leading edge ( or cutting shoe ) of the caisson is sloped out at a sharp angle to aid sinking in a vertical manner ; it is usually made of steel. the shoe is gener... | C) cyst |
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the injuries of the inundations they have been designed to prevent, as the escape of floods from the raised river must occur sooner or later. inadequate planning controls which have permitted development on floodplains have been blamed for the flooding of domestic properties. channelization was done under the ... | A) skin |
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of these cellular components. the different stages of mitosis all together define the mitotic phase of an animal cell cycle β the division of the mother cell into two genetically identical daughter cells. the cell cycle is a vital process by which a single - celled fertilized egg develops into a mature organis... | A) anaphase |
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the injuries of the inundations they have been designed to prevent, as the escape of floods from the raised river must occur sooner or later. inadequate planning controls which have permitted development on floodplains have been blamed for the flooding of domestic properties. channelization was done under the ... | C) cell |
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various forms that are characteristic of its life cycle. there are four key processes that underlie development : determination, differentiation, morphogenesis, and growth. determination sets the developmental fate of a cell, which becomes more restrictive during development. differentiation is the process by ... | C) tunic |
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a comparison of the sensitivities of methods which allow us to determine the coordinates of a moving hot body is made.
10 kgy most food, which is ( with regard to warming ) physically equivalent to water, would warm by only about 2. 5 Β°c ( 4. 5 Β°f ). the specialty of processing food by ionizing radiation is th... | D) temperature |
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earth. it emphasizes the study of how humans use and interact with freshwater supplies. study of water ' s movement is closely related to geomorphology and other branches of earth science. applied hydrology involves engineering to maintain aquatic environments and distribute water supplies. subdisciplines of h... | A) marine biomes |
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##d product that is the focus of a tooling drawing. lines can also be classified by a letter classification in which each line is given a letter. type a lines show the outline of the feature of an object. they are the thickest lines on a drawing and done with a pencil softer than hb. type b lines are dimension... | A) cornea |
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it is hard for us humans to recognize things in nature until we have invented them ourselves. for image - forming optics, nature has made virtually every kind of lens humans have devised. but what about lensless " imaging "? recently, we showed that a bare array of sensors on a curved substrate could achieve r... | A) focus light |
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cross. the chromosome theory of inheritance, which states that genes are found on chromosomes, was supported by thomas morgans ' s experiments with fruit flies, which established the sex linkage between eye color and sex in these insects. = = = genes and dna = = = a gene is a unit of heredity that corresponds ... | C) codons |
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