Science

"Lactose is made up of 1 mol glucose & 1 mol galactose with a glycosidic c-1 to c-4 linkage..."

Please explain to me what a GLUCOSIDIC C-1 to C-4 LINKAGE is.

Much appreciated.

This site will show the linkage.
http://en.wikipedia.org/wiki/Image:Lactose%28lac%29.png

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asked by Sean

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