Learning / English Dictionary

LACTOSE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk

Example:

cow's milk contains about 4.7% lactose

Synonyms:

lactose; milk sugar

Classified under:

Nouns denoting substances

Hypernyms ("lactose" is a kind of...):

disaccharide (any of a variety of carbohydrates that yield two monosaccharide molecules on complete hydrolysis)

Credits

 Context examples: 

This species is non-motile, nonsporulating, produces acid from maltose, lactose and glucose but not xylose, glycogen, sorbitol or inositol.

(Collinsella aerofaciens, NCI Thesaurus)

This bacteria is catalase and oxidase negative, ferments lactose, produces the exotoxin Pyolysin O and neuraminidases and is hemolytic.

(Arcanobacterium pyogenes, NCI Thesaurus)

This bacteria is catalase negative, alpha hemolytic, produces acid from maltose, lactose, sucrose and trehalose, and produces beta glucuronidase.

(Aerococcus viridans, NCI Thesaurus)

This allele, which encodes beta-1,4-galactosyltransferase 1 protein, is involved in lactose synthesis.

(B4GALT1 wt Allele, NCI Thesaurus)

This protein plays a role in the regulation of lactose synthesis.

(Alpha-Lactalbumin, NCI Thesaurus)

This protein plays a role in the biosynthesis of lactose.

(Beta-1,4-Galactosyltransferase 1, NCI Thesaurus)

This species is motile, spore forming, catalase and superoxide dismutase positive, indole negative, and reduces nitrate, hydrolyzes starch, and does not ferment glucose or lactose.

(Bacillus subtilis, NCI Thesaurus)

Preparation of a homeopathic substance with a ratio of one part original material to 1000 parts of carrier or solvent, traditionally lactose, water or ethanol.

(Millesimal Series of Attenuation, NCI Thesaurus)

This species is nonmotile, indole negative, resistant to colistin, lactose positive and produces acid from D-glucose, lactose and raffinose.

(Moellerella wisconsensis, NCI Thesaurus)

This species is nonmotile, catalase negative, does not reduce nitrate, and ferments lactose, arabinose, xylose, ribose, gluconate, cellobiose, and salicin.

(Bifidobacterium adolescentis, NCI Thesaurus)