| 单词 | pyrimidine |
| 释义 | pyrimidine (once / 738707 pages) n WORD FAMILY pyrimidine USAGE EXAMPLESNeither phosphorus atoms nor the purine and pyrimidine bases were on hand. James D. Watson, Double Helix(1968) The melanin-assisted process creates lesions known as cyclobutane pyrimidine dimers in DNA, which can lead to mutations that cause melanoma, a type of skin cancer. Scientific American(Feb 24, 2015) These pathways function to excise and repair abnormal bases or nucleotides, such as deaminated cytosines or ultraviolet radiation induced pyrimidine dimers. Nature(Sep 18, 2013) 1n a heterocyclic organic compound with a penetrating odor Hyper organic compound any compound of carbon and another element or a radical 2n any of several basic compounds derived from pyrimidine Hypo|Hyper C, cytosine a base found in DNA and RNA and derived from pyrimidine; pairs with guanine T, thyminea base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine alkali, base any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water |
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