请输入您要查询的英文单词:

 

单词 galactosidase
释义

galactosidasen.

Brit. /ɡəˌlaktəˈsʌɪdeɪz/, U.S. /ɡəˌlæktəˈsaɪˌdeɪz/, /ɡəˌlæktəˈsaɪˌdeɪs/
Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: galactoside n., -ase suffix.
Etymology: < galactoside n. + -ase suffix, after French galactosidase (1914 or earlier).
Biochemistry.
Any of a class of enzymes that break down galactosides, detaching the galactose residue from the aglycone to which it is attached.Galactosidases may be classed as α- orβ-, according to whether their substrates are α- or β-galactosides (see galactoside n.).
ΘΚΠ
the world > matter > chemistry > organic chemistry > enzymes > [noun]
galactosidase1914
1914 Chem. Abstr. 8 1411 100g. of dried yeast galactosidase in 2l. H2O.
1950 Jrnl. Bacteriol. 60 390 Several of the problems of the enzyme chemistry of galactosidase..require the use of preparations more highly purified than can be readily accomplished with bacterial enzymes.
1972 Science 11 Aug. 527/2 Two or more isoenzymes for α-galactosidase exist.
2005 Sci. News 167 105/2 Some of the catalysts are enzymes, such as beta-galactosidase, while others are reactive metals.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).
<
n.1914
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/12 0:11:38