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Back to Top Meiosis In meiosis, the cell divides twice, ultimately yielding four daughter cells.
Daughter cells divide by meiosis.
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In the course of meiosis a cell divides once, half its chromosomes going into each daughter-cell, and then each of these daughter-cells divides again in a manner rather like mitosis, so that there is no further change in chromosome number.
Daughter cells divide by meiosis.
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In this case zygote is divided by meiosis and produces vegetative cells.
Daughter cells divide by meiosis.
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Meiosis likely evolved in doubled cells that already divided by mitosis.
Daughter cells divide by meiosis.
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Sometimes during the course of normal meiosis, chromosomes are not correctly distributed from a dividing cell into the two daughter cells.
Daughter cells divide by meiosis.
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The megaspore mother cell divides by meiosis to produce four haploid megaspores.
Daughter cells divide by meiosis.
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The sporogenous cells undergo meiosis and produce microspores that, in turn, divide mitotically into pollen.
Daughter cells divide by meiosis.
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These diploid cells inside the sterile jacket will be dividing by meiosis to produce haploid microspores.
Daughter cells divide by meiosis.
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When the germ cells divide in the two-step process of meiosis , the chromosomes are separated in such a way that each daughter cell receives a haploid (half the diploid) number of chromosomes.
Daughter cells divide by meiosis.
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Both tanks were used for 5 psi pressure decreases, under the same gas flow, to increase the temperature of the same pot with the same volume of water at the same initial temperature.
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to increase.
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Charles' Law states that at constant pressure , the volume of a gas increases or decreases by the same factor as its temperature.
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to increase.
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For example, the volume of a gas decreases as the pressure of the gas increases, for a constant temperature.
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to increase.
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The buoyancy of a wet suit will decrease significantly with an increase in depth as the ambient pressure causes the volume of the gas bubbles in the neoprene to decrease.
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to increase.
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The decreased distensibility means that the increase in volume for unit change in pressure is less than normal and, therefore, the same stroke volume would raise the pressure more during systole when the arteries are hardened than in normal arteries.
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to increase.
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When the pressure is decreased, the volume increases.
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to increase.
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decrease volume of a gas, the pressure of the gas will increase and vice versa (temperature remains constant)
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to increase.
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According the law of superposition, we assume that the rock unit located on the bottom is older than the top layer.
Deeper layers of rock must be older than layers closer to the surface, this is the law of superposition.
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According to the law of superposition, the bottom layer, called simply the lava flows below the yellow tephra, must be the oldest.
Deeper layers of rock must be older than layers closer to the surface, this is the law of superposition.
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As scientists recognized that layers of rock had been deposited in sequence, one on top of another, they derived the law superposition, which says that in any sequence of strata, not later disturbed, the order in which they were deposited is from bottom to top.
Deeper layers of rock must be older than layers closer to the surface, this is the law of superposition.
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LAW OF SUPERPOSITION Older layers of rock occur on bottom of profile, and successively younger ones are on top.
Deeper layers of rock must be older than layers closer to the surface, this is the law of superposition.
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Law of superposition states that during the formation of sedimentary rocks, each layer is older than the one above and younger than the one below---this statement reflects the relative age of sedimentary rocks.
Deeper layers of rock must be older than layers closer to the surface, this is the law of superposition.
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The first and most simple technique is the law of superposition, which simply states that in a sequence of sedimentary rock, the rocks in the upper layers of sediment are younger than the rocks at the bottom.
Deeper layers of rock must be older than layers closer to the surface, this is the law of superposition.
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Using the Law of Superposition, the rock layer OXD is beneath rock layer DM and, therefore, is older.
Deeper layers of rock must be older than layers closer to the surface, this is the law of superposition.
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After the gemcitabine nucleotide is incorporated into DNA, only one additional nucleotide is added to the growing DNA strands.
Deletions remove one or more nucleotides from the dna
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DNA polymerase has the capacity to notice improperly paired nucleotides, remove the incorrectly placed ones, and fasten in the correct ones after they are in place.
Deletions remove one or more nucleotides from the dna
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DNA sensors on a substrate one nucleotide at a
Deletions remove one or more nucleotides from the dna
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Deletion A type of mutation caused by loss of one or more nucleotides from a DNA segment.
Deletions remove one or more nucleotides from the dna
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Deletions remove nucleotides, and insertions add nucleotides.
Deletions remove one or more nucleotides from the dna
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Exonucleases remove these unpaired nucleotides and the gaps are filled by DNA synthesis and repair machinery.
Deletions remove one or more nucleotides from the dna
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For example, one of the more common methods involves digestion of the DNA template using RNase-free DNase I, followed by gel filtration to remove unincorporated nucleotides, and then phenol extraction to remove proteins and ethanol precipitation to concentrate the RNA.
Deletions remove one or more nucleotides from the dna
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If one of these nucleotides is on one strand of DNA, the complementary nucleotide must be on the other strand.
Deletions remove one or more nucleotides from the dna
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Nucleotide excision repair (NER) is the primary DNA repair mechanism that removes the therapeutic platinum-DNA adducts from the tumor DNA.
Deletions remove one or more nucleotides from the dna
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One of the cDNA clones had a 139-nucleotide internal deletion at a position of possible interest in relation to mRNA processing, ancestral connections, or DNA replication.
Deletions remove one or more nucleotides from the dna
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One of the four nucleotide bases of DNA.
Deletions remove one or more nucleotides from the dna
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Polymorphisms describe members of a particular gene family whose DNA nucleotide sequences vary by one or more bases.
Deletions remove one or more nucleotides from the dna
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Tandem repeats occur in DNA when a pattern of one or more nucleotides is repeated and the repetitions are directly adjacent to each other.
Deletions remove one or more nucleotides from the dna
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The Hb S allele contains a one nucleotide deletion.
Deletions remove one or more nucleotides from the dna
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The mutations were either complete deletions or deletions of one or more nucleotides, leading to frame shifts.
Deletions remove one or more nucleotides from the dna
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The nucleotide excision repair NER removes from the DNA a large spectrum of lesions including ones produced by UV irradiation.
Deletions remove one or more nucleotides from the dna
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The nucleotides in one DNA strand have a specific association with the corresponding nucleotides in the other DNA strand.
Deletions remove one or more nucleotides from the dna
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The nucleotides on one strand of DNA pair with those on the other.
Deletions remove one or more nucleotides from the dna
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The oxidation of guanine proceeds more rapidly as the free nucleotide than in DNA, and removal of 8-oxo-dGTP from the nucleotide pool is an important step in the prevention of 8-oxo-dG lesions.
Deletions remove one or more nucleotides from the dna
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These studies were undertaken at the time as the best available approach to nucleotide substitutions and small deletions in DNA, which comprise roughly one-third of the spectrum of radiation-induced damage in DNA.
Deletions remove one or more nucleotides from the dna
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This stretches the DNA so that one or more bind to the nucleotides on the electrode surfaces.
Deletions remove one or more nucleotides from the dna
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To produce an mRNA molecule, the DNA strands separate and complementary nucleotides match with the nucleotides of one strand of the DNA.
Deletions remove one or more nucleotides from the dna
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insertion Insertion of one or more nucleotides into DNA at a specific point.
Deletions remove one or more nucleotides from the dna
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Aedes aegypti mosquitoes carry the viruses that cause dengue and yellow fever.
Dengue fever and yellow fever are examples of diseases caused by virus.
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Aedes aegypti, also called yellow fever mosquito, is a mosquito that can spread the dengue fever, chikungunya and yellow fever viruses, and other diseases.
Dengue fever and yellow fever are examples of diseases caused by virus.
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Back to Top DENGUE VIRUS Disease Dengue fever, Breakbone fever Natural Hosts Unknown;
Dengue fever and yellow fever are examples of diseases caused by virus.
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Dengue fever is also a very painful disease caused by mosquito carrying the dengue virus, which leads to a large amount of pain leading to death.
Dengue fever and yellow fever are examples of diseases caused by virus.
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Dengue fever is caused by viruses that are carried by mosquitoes.
Dengue fever and yellow fever are examples of diseases caused by virus.
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For examples malaria, filarial diseases, viruses dengue, encephalitis and yellow fever.
Dengue fever and yellow fever are examples of diseases caused by virus.
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His research has included the prevention and control of diseases like yellow fever, malaria, Dengue fever, West Nile virus and mosquito-borne encephalitis.
Dengue fever and yellow fever are examples of diseases caused by virus.
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It is a member of the Flaviviridae family, which includes such viruses as those that cause yellow fever and dengue.
Dengue fever and yellow fever are examples of diseases caused by virus.
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Mosquito carry several diseases which are malaria, filarial diseases (dog heart worm), virus dengue, encephalitis and yellow fever.
Dengue fever and yellow fever are examples of diseases caused by virus.
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No evidence of yellow fever or dengue virus circulation was observed.
Dengue fever and yellow fever are examples of diseases caused by virus.
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Other infectious diseases requiring national and international attention include dengue fever, measles, yellow fever, and Ebola virus.
Dengue fever and yellow fever are examples of diseases caused by virus.
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Unlike yellow fever (caused by a related virus and spread by the same mosquito) there is no vaccine for dengue fever.
Dengue fever and yellow fever are examples of diseases caused by virus.
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C -- Capillary -- Microscopic blood vessels where the gas exchange takes place between the bloodstream and the tissues or the air in the lungs.
Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to the bloodstream.
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Remember that the lungs transfer oxygen to the bloodstream, and most of the actual exchange of carbon dioxide and oxygen takes place in the lower lungs.
Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to the bloodstream.
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This allows for some degree of separation between the de-oxygenated bloodstream destined for the lungs and the oxygenated stream that is delivered to the rest of the body.
Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to the bloodstream.
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This oxygen is transferred from the lungs into the bloodstream and it is responsible for the transfer of heat throughout the body.
Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to the bloodstream.
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18C Phyletic gradualism versus punctuated equilibrium.
Darwin believed in gradualism.
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5) Differentiate between the gradualism and punctuated equilibrium models of evolution.
Darwin believed in gradualism.
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A careful analysis of the evidence will show phyletic gradualism, rather than punctuated equilibrium, to be an accurate description of evolutionary change.
Darwin believed in gradualism.
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Both punctuated equilibrium and phyletic gradualism occur in nature.
Darwin believed in gradualism.
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Compare and contrast Gradualism and Punctuated Equilibrium.
Darwin believed in gradualism.
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Compare and contrast the punctuated equilibrium (PE) theory of evolution with that of the gradualism (G) theory.
Darwin believed in gradualism.
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Compare gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Compare the hypotheses of gradualism and punctuated equilibrium, and give an example supporting each hypothesis.
Darwin believed in gradualism.
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D) A single clade (i.e., a group of species that share a common ancestor) can exhibit both gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Describe the difference between gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Discuss gradualism and punctuated equilibrium with respect to the evolution of brain size in Homo erectus.
Darwin believed in gradualism.
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Distinguish between gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Evolution of speciation ideas, from gradualism to punctuated equilibrium.
Darwin believed in gradualism.
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Examines the concept of change in species and rejects both gradualism and punctuated equilibrium as being inadequate models of change.
Darwin believed in gradualism.
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Gradualism contrasts with punctuationalism or saltationalism.
Darwin believed in gradualism.
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Gradualism is the key to Darwinism.
Darwin believed in gradualism.
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Gradualism, catastrophism and punctuated equilibrium.
Darwin believed in gradualism.
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Graphically represent phyletic gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Included are catastrophism, gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Know the differences between gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Macroevolution, speciation, punctuated equilibrium and phyletic gradualism 3.
Darwin believed in gradualism.
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Punctuated Equilibrium contains more information on the concepts of gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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Punctuated equilibrium vs gradualism in macroevolution I.
Darwin believed in gradualism.
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Punctuated equilibrium, cont'd Compare how proponents of gradualism versus punctuated equilibrium describe the pace of evolution of new species and higher taxa.
Darwin believed in gradualism.
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Something which appears to support Lamarkian evolution rather than Darwinian, or punctuated equilibrium rather than gradualism is not enough.
Darwin believed in gradualism.
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The debate between the supporters of punctuated equilibrium and those of phyletic gradualism is indicative of a robust and exciting science.
Darwin believed in gradualism.
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The view expressed is that of gradualism, not of punctuated equilibrium.
Darwin believed in gradualism.
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Understand the concepts of phyletic gradualism and punctuated equilibrium.
Darwin believed in gradualism.
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a) stabilizing selection b) gradualism c) directional selection d) punctuated equilibrium e) disruptive selection 6.
Darwin believed in gradualism.
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gradualism versus punctuated equilibrium as two different views;
Darwin believed in gradualism.
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And connections speed is affected at many different points.
Different media affect the speed of light.
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At speeds close to that of light, reality is very different.
Different media affect the speed of light.
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CONDITION Property condition affects price and speed of the sale.
Different media affect the speed of light.
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Contrast affects flicker and speed perception differently.
Different media affect the speed of light.
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Discuss the speed of sound through different media.
Different media affect the speed of light.
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Light can also travel at various speeds in different media, producing a frequency at which the wave travels.
Different media affect the speed of light.
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Light waves are refracted when crossing the boundary from one transparent medium into another because the speed of light is different in different media.
Different media affect the speed of light.
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Relativity affects things that move close to the speed of light.
Different media affect the speed of light.
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