| 41. | "There's something different about the synthetically derived hormones,"
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| 42. | Adhesives may be found naturally or produced synthetically.
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| 43. | The other amyl alcohols may be obtained synthetically.
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| 44. | Chloroethane was produced synthetically in the 15th century.
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| 45. | Nearly all technetium is produced synthetically and only minute amounts are found in nature.
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| 46. | The comparative and superlative are formed synthetically, by adding endings to the adjective.
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| 47. | It can be produced synthetically from propargyl chloride.
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| 48. | Synthetically produced Nasonov consists of citral and geraniol in a 2 : 1 ratio.
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| 49. | In 1948 researchers at Fort Monmouth grew the first synthetically produced large quartz crystals.
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| 50. | RFXIII is synthetically bio-engineered through a yeast expression system and administered intravenously.
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