How can an animal cell obtain needed glucose when glucose is lacking in the diet - (Jan/19/2015 )

How can an naimal cell obtain needed glucose when glucose is lacking in the diet?

any carbohydrate can be broken down to glucose.

fats can be converted. even proteins can be converted when necessary.

the liver can synthesis glucose de novo (gluconeogenesis), or can recruit glucose from glycogen, or can , it addition to the answer of mdfenko, rebuilt fructose to glucose