Recent questions in Science

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The existence of what tiny, fundamental particles of matter was first proposed in the 1960s?

asked Jan 2 in Science by MurielKeene9 (270 points)

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The existence of the plasma membrane was identified in the 1890s, and its chemical components were identified in 1915. the principal components identified at that time were these?

asked Jan 2 in Science by MargartAlber (450 points)

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The existence of (virtual) photons is possible only by virtue of the heisenberg uncertainty principle and can travel an unlimited distance, so the range ofthe electromagnetic for is what?

asked Jan 2 in Science by Sadye01D9381 (570 points)

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The ether functional group consists of an oxygen atom which forms single bonds with what other atoms?

asked Jan 2 in Science by Viola390266 (250 points)

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The esophagus runs a mainly straight route through the mediastinum of what?

asked Jan 2 in Science by ArlenWeldon (410 points)

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The epochs of the universe are known back to very shortly after what 'explosive' event?

asked Jan 2 in Science by EmoryMoorhou (370 points)

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The epidermis of the leaf consists of a single layer of which cells?

asked Jan 2 in Science by JuanitaRidgl (410 points)

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The epidermis is made of which closely packed cells?

asked Jan 2 in Science by ChantalG7628 (150 points)

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The epidermis consists mainly of what type of cells?

asked Jan 2 in Science by LoreenWoolla (350 points)

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The enzymes that participate in fatty acid catabolism are located in what?

asked Jan 2 in Science by RoseannaKeel (510 points)

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The enzyme pepsin works only in the presence of what?

asked Jan 2 in Science by LaurieBeavis (510 points)

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The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids?

asked Jan 2 in Science by WilsonVanhor (330 points)

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The environment where most chemical reactions in organisms takes place consists mostly of what?

asked Jan 2 in Science by InaV26464311 (290 points)

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The entry of food into the esophagus marks the beginning of the esophageal phase of deglutition and the initiation of this?

asked Jan 2 in Science by LelaBracken (190 points)

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The entry of acidic chyme into the duodenum stimulates the release of what?

asked Jan 2 in Science by JeniferVera6 (290 points)

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The entropy is decreasing because a gas is becoming a what?

asked Jan 2 in Science by RhysShattuck (330 points)

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The entropy change is positive as the solid state changes into which state?

asked Jan 2 in Science by MarcelinoSir (450 points)

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The entire range of light that can be seen by the human eye without aid is known as what kind of light?

asked Jan 2 in Science by OtisReading8 (670 points)

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The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this?

asked Jan 2 in Science by DonnyTorres9 (210 points)

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The enormous number of species is due to the tremendous variety of what?

asked Jan 2 in Science by ElliottRoble (350 points)

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