Glucose is a carbohydrate that is used for

Glucose treats low blood sugar (hypoglycemia)

if you meant how it’s used in the body:
the stomach and small intestines absorb glucose & then release it into the blood stream. It is then stored for later use when energy is needed

Glucose treats low blood sugar (hypoglycemia)

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.