| 单词 | nuclein base | 
| 释义 | > as lemmasnuclein base   nuclein base  n.				 [after German Nucleinbase (1893 or earlier)]			 now rare a purine or pyrimidine base present in nucleic acids; a nucleotide base. ΚΠ 1893    Jrnl. Chem. Soc. 64  i. 309 		(heading)	  				Nucleïn bases. 1896    E. B. Wilson Cell vii. 242 		(note)	  				True nucleins containing a large percentage of albumin are distinguished as nucleoproteids. They may be split into albumin and nucleic acid, the latter yielding as cleavage-products the nuclein bases. 1931    P. A. Levene  & L. W. Bass Nucleic Acids vi. 126  				The name ‘nucleoside’ was assigned to the substances of this group for the reason that..they contain sugar in a glucosidic union, and..the substances linked to the sugars are nuclein bases. 1984    Philos. Trans. 		(Royal Soc.)	 A. 311 322  				The adsorption of nuclein bases is sensitively influenced by salts. < as lemmas  | 
	
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